LAC 33:IX.1319. SIC Code Complexity Tables

Table 1. Numerical Listing Complexity Groups for SIC Codes SIC Code | Effluent Guidelines Division Designations | Complexity Designation No. | SIC Title | Major Industry | Industrial Subcategory | Complexity Designation 1011 | Iron Ores | Ore Mining and Dressing | Iron Ore | IV 1021 | Copper Ores | Ore Mining and Dressing | Base and Precious Metals | V 1031 | Lead and Zinc Ores | Ore Mining and Dressing | Base and Precious Metals | V 1041 | Gold Ores | Ore Mining and Dressing | Base and Precious Metals | V 1044 | Silver Ores | Ore Mining and Dressing | Base and Precious Metals | V 1061 | Ferroalloy Ores, Except Vanadium | Ore Mining and Dressing | Ferroalloy | V 1094 | Uranium-Radium-Vanadium Ores | Ore Mining and Dressing | Uranium | VI 1099 | Miscellaneous Metal Ores NEC | Ore Mining and Dressing | Aluminum | IV 1099 | Mercury Ores | Ore Mining and Dressing | Mercury | V 1099 | Miscellaneous Metal Ores NEC | Ore Mining and Dressing | Metal Ore, NEC | V 1221 | Bituminous Coal and Lignite | Coal Mining | Acid or Ferruginous Mines | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Alkaline Mines | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Coal Preparation Plants | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Regrade/Revegetation | III 1231 | Anthracite Mining | Coal Mining | Acid or Ferruginous Mines | IV 1231 | Anthracite Mining | Coal Mining | Alkaline Mines | IV 1231 | Anthracite Mining | Coal Mining | Anthracite Segment of Acid Mine Subcategory | III 1231 | Anthracite Mining | Coal Mining | Coal Preparation Plants | IV 1231 | Anthracite Mining | Coal Mining | Regrade/Revegetation | III 1311 | Oil and Gas Extraction | Crude Petroleum and Natural Gas | Exploration and Production, Except Storm Water Only | III 1321 | Natural Gas Liquids | Recovering/Fractioning | Natural Gas | II 1389 | Oil and Gas Field Services | Miscellaneous | Reserve Pit Treaters | IV 1389 | Oil and Gas Field Services | Miscellaneous | Oilfield Waste Disposal | V 1389 | Oil and Gas Field Services | Miscellaneous | Treatment of Oilfield Waste | IV 1389 | Oil and Gas Field Services | Miscellaneous | External Cleaning of Equipment | II 1389 | Oil and Gas Field Services | Miscellaneous | Internal Cleaning of Equipment | III 1440 | Mining of Nonmetallic Minerals | Sand and Gravel | All | II 1475 | Phosphate Rock | Phosphate Mining | IV 1479 | Chemical and Fertilizer Mineral Mining NEC | Rock Salt | All | III 1479 | Chemical and Fertilizer Mineral Mining NEC | Sulfur | All | V 2000 | Food and Kindred Products | Processing Food and Beverages | All | II 2211 | Broad Woven Fabric Mills, Cotton | Textile Mills | Greige Mills | II 2211 | Broad Woven Fabric Mills, Cotton | Textile Mills | Woven Fabric Finishing | V 2221 | Broad Woven Fabric Mills, Man-Made Fiber and Silk | Textile Mills | Greige Mills | II 2231 | Broad Woven Fabric Mills, Wool | Textile Mills | Greige Mills | II 2231 | Broad Woven Fabric Mills, Wool | Textile Mills | Wool Finishing | V 2241 | Narrow Fabrics and Other Smallwares Mills | Textile Mills | Greige Mills | II 2241 | Narrow Fabrics and Other Smallwares Mills | Textile Mills | Woven Fabric Finishing | V 2251 | Women's Full Length and Knee Length Hosiery | Textile Mills | Hosiery | V 2252 | Hosiery, Except Women's Full Length and Knee Length | Textile Mills | Hosiery | V 2253 | Knit Outerwear Mills | Textile Mills | Greige Mills | II 2253 | Knit Outerwear Mills | Textile Mills | Knit Fabric Finishing | V 2254 | Knit Underwear Mills | Textile Mills | Knit Fabric Finishing | V 2255 | Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2256 | Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2257 | Circular Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2258 | Lace and Warp Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2259 | Knitting Mills, NEC | Textile Mills | Knit Fabric Finishing | V 2261 | Finishers of Broad Woven Fabrics of Cotton | Textile Mills | Woven Fabric Finishing | V 2262 | Finishers of Broad Woven Fabrics/Man-Made Fiber | Textile Mills | Woven Fabric Finishing | V 2269 | Finishers of Textiles, NEC | Textile Mills | Woven Fabric Finishing | V 2273 | Carpets and Rugs | Textile Mills | Carpet Finishing | V 2273 | Carpets and Rugs | Textile Mills | Greige Mills | II 2281 | Yarn Spinning Mills | Textile Mills | Greige Mills | II 2281 | Yarn Spinning Mills | Textile Mills | Stock and Yarn Dyeing | V 2282 | Yarn Texturizing, Throwing, Twisting, and Winding Mills | Textile Mills | Greige Mills | II 2282 | Yarn Texturizing, Throwing, Twisting, and Winding Mills | Textile Mills | Stock and Yarn Dyeing | V 2284 | Thread Mills | Textile Mills | Stock and Yarn Dyeing | V 2293 | Textile Goods NEC | Textile Mills | Padding and Upholstery | II 2294 | Textile Goods NEC | Textile Mills | Processed Textile Wastes | II 2297 | Nonwoven Fabrics | Textile Mills | Nonwoven Manufacturing | V 2299 | Textile Goods NEC | Textile Mills | Wool Scouring and Felt Manufacturing | V 2300 | Apparel and Other Finished Products/From Fabrics | Textile Mills | Apparel | II 2410 | Logging Camps and Logging Contractors | Timber Products Processing | All | II 2421 | Sawmills and Planing Mills, General | Timber Products Processing | Sawmills and Planing Mills | II 2426 | Hardwood Dimension and Flooring Mills | Timber Products Processing | Hardwood Dimension and Flooring Mills | II 2429 | Special Product Sawmills, NEC | Timber Products Processing | Special Products Sawmills, NEC | II 2431 | Millwork | Timber Products Processing | Millwork | II 2434 | Wood Kitchen Cabinets | Timber Products Processing | Wood Kitchen Cabinets | II 2435 | Hardwood Veneer and Plywood | Timber Products Processing | Plywood | IV 2435 | Hardwood Veneer and Plywood | Timber Products Processing | Veneer | II 2436 | Softwood Veneer and Plywood | Timber Products Processing | Plywood | IV 2436 | Softwood Veneer and Plywood | Timber Products Processing | Veneer | II 2439 | Structural Wood Members, NEC | Timber Products Processing | Millwork, Veneer, Plywood and Structural Wood Members | II 2440 | Wood Containers | Timber Products Processing | All | II 2450 | Wooden Buildings and Mobile Homes | Timber Products Processing | All | II 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Steam | IV 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Boulton | IV 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Inorganic | II 2493 | Reconstituted Wood Products | Timber Products Processing | Particleboard | II 2493 | Wood Products NEC | Timber Products Processing | Hardboard─Dry Process | II 2493 | Wood Products NEC | Timber Products Processing | Wet Process Hardboard (Two Subcategories) | IV 2493 | Wood Products NEC | Timber Products Processing | Wood Products, NEC | II 2500 | Furniture and Fixtures | Household and Office Furniture | All | II 2611 | Pulp Mills | Pulp, Paper and Paperboard | All | III 2621 | Paper Mills | Pulp, Paper and Paperboard | All | III 2621 | Building Paper and Buildingboard Mills | Pulp, Paper and Paperboard | Waste Paper─Construction | III 2621 | Building Paper and Buildingboard Mills | Pulp, Paper and Paperboard | Waste Paper─Board | III 2631 | Paperboard Mills | Pulp, Paper and Paperboard | All | III 2640 | Converted Paper and Paperboard Products | Pulp, Paper and Paperboard | All, Except Containers and Boxes | II 2650 | Paperboard Containers and Boxes | Pulp, Paper and Paperboard | All | II 2661 | Building Paper and Buildingboard Mills | Timber Products Processing | Barking | II 2679 | Building Paper and Buildingboard Mills | Timber Products Processing | Insulation Board (Two Subcategories) | IV 2700 | Printing, Publishing and Allied Industries | Printing and Publishing | All | II 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Chlorine | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Diaphragm Cell | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Mercury Cell | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Potassium Carbonate | IV 2812 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Bicarbonate | II 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Sodium Carbonate | IV 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Carbon Dioxide | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Carbon Monoxide | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Hydrogen | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Gases, Industrial Compressed Liquid/Solid | IV 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Nitrous Oxide | IV 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Oxygen and Nitrogen | II 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Barium Sulfate | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Byrytes Pigments | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Chloride Process | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Chrome Pigments | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Colors | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Black | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Magnetic | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Yellow | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Lead Dioxide, Brown (Pb02) | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Lead Oxide, Red (Pb304) | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Ochers | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Satin White Pigment | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Siennas | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Sulfate Process | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Titanium Dioxide | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Ultramarine Pigment | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Umbers | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | White Lead Pigment (Pb(OH)2+PbCO)3 | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Whiting | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Fluoride | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Hydroxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Alums | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonia Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Hydroxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Molybdate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Perchlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Thiosulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Barium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Barium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Beryllium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Bleaching Powder | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Borax | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Boric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Boron Compounds (Not Produced at Mines) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Borosilicate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Brine | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Bromine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Carbide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Compounds (Inorganic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Hypochlorite | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cerium Salts | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chlorosulfuric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromic Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt 60 (Radioactive) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Iodide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cuprous Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ferric Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ferrous Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Fissionable Materials Production | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Fluorine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Heavy Water | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrated Alumina Silicate Powder | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrochloric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrofluoric Acid | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Cyanide | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Peroxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Sulfide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrophosphites | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Indium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Inorganic Acids (Except HNO2 or H2PO4) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Iodides | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Iodine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Isotopes Radioactive | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Arsenate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Monoxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Silicate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lithium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lithium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Luminous Compounds (Radium) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Magnesium Compounds (Inorganic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Manganese Dioxide (Powder Synthetic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Manganese Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Mercury Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Mercury Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Ammonium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Carbonate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Fluoroborate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nitric Acid (Strong) | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nitric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nuclear Fuel Reactor Cases, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nuclear Fuel Scrap Reprocessing | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Oleum (Fuming Sulfuric Acid) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Oxidation Catalyst from Porcelain | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Percloric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Peroxides, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potash Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potash Magnesia | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Aluminum Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Bromide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Chlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Compounds Inorganic (Except KOH-K2CO3) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Dichromate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Hypochlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Iodide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Metal | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Nitrate and Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Permanganate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Radium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Radium Luminous Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Rare Earth Metal Salts | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Reagent Grade Chemicals (Inorganic: Refined From Technical Grades) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Salts of Rare Earth Metals | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silica Amorphous | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silica Gel | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Bromide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Carbonate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Iodide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Soda Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Antimoniate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Bisulfite | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Chlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Compounds, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Dichromate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Fluoride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Hydrosulfite | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Hydrosulfide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Metal | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Silicate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Silicofluoride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Sulfite | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Thiosulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Stannic and Stannous Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Stannic Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Strontium Carbonate (Precipitated and Oxide) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Strontium Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfides and Sulfites | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfocyanides | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur (Recovered or Refined, Including From Sour Natural Gas) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Dioxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Hexafluoride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfuric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Thiocyanates, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Tin Compounds, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Uranium Slug, Radioactive | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Uranium Recovery from Phosphoric Acid Production | VI 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Sulfide | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Defluorinated Rock | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Defluorinated Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Elemental Phosphorus | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Phosphorus Derived Chemicals | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Phosphates | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Sodium Phosphates | IV 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Gum and Wood Chemicals | Rosin Based Derivatives | III 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Plastics and Synthetics | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | VI 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Plastics and Synthetics | Melamine Crystals | III 2822 | Synthetic Rubber (Vulcanizable Elastomers) | Rubber | All | V 2823 | Cellulosic Man-Made Fibers | Plastics and Synthetics | Cellulosic Man-Made Fibers | VI 2824 | Synthetic Organic Fibers, Except Cellulosic | Plastics and Synthetics | Synthetic Organic Fibers, Except Cellulosic | VI 2833 | Medicinal Chemicals and Botanical Products | Pharmaceutical Manufacturing | All | VI 2834 | Pharmaceutical Preparations | Pharmaceutical Manufacturing | Mising and Formulation (Pharmaceutical Preparations) | VI 2836 | Biological Products | Pharmaceutical Manufacturing | Extraction (Biological Products) | VI 2841 | Soaps and Other Detergents, Except Specialty Cleaners | Soaps and Detergents | All | III 2842 | Specialty Cleaning, Polishing and Sanitary Preperation | Soaps and Detergents | All | III 2843 | Surface Active Agents, Finishing Agents, Etc. | Soaps and Detergents | All | III 2844 | Perfumes, Cosmetics and Other Toilet Preparations | Soaps and Detergents | Manufacturing of Liquid Soaps | III 2851 | Paints/Varnishes/Lacquers/Enamels and Allied Products | Paint and Ink | Caustic or Water Washed Paint | II 2851 | Paints/Varnishes/Lacquers/Enamels and Allied Products | Paint and Ink | Solvent Wash Paint | II 2861 | Gum and Wood Chemicals | Char and Charcoal Briquettes | II 2861 | Gum and Wood Chemicals | Essential Oil | II 2861 | Gum and Wood Chemicals | Gum Rosin | II 2861 | Gum and Wood Chemicals | Rosin Based Derivatives | IV 2861 | Gum and Wood Chemicals | Sulfate Turpentine | IV 2861 | Gum and Wood Chemicals | Tall Oil | IV 2861 | Gum and Wood Chemicals | Wood Rosin | IV 2865 | Cyclic Organic Crudes and Intermediates, and Organic Dyes and Pigments | Organic Chemicals | Cyclic Organic Crudes and Intermediates, and Organic Dyes and Pigments | VI 2869 | Industrial Organic Chemicals NEC | Organic Chemicals | Industrial Organic Chemicals, NEC | VI 2869 | Industrial Organic Chemicals NEC | Organic Chemicals | Ethanol by Fermentation, Food Additives | III 2873 | Nitrogenous Fertilizers | Agricultural Chemicals | All | VI 2874 | Phosphatic Fertilizers | Agricultural Chemicals | Phosphatic Fertilizing Materials Including Phosphoric Acid | VI 2875 | Fertilizers, Mixing Only | Agricultural Chemicals | All | II 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Amides | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Formulation and Packaging of Agricultural Chemicals | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Halogenated Organics | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Heterocyclic Nitrogens | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Metallo Organic | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Miscellaneous | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Organophosphorus | VI 2891 | Adhesives and Sealants | V 2892 | Explosives | Explosives (Commercial Sector) | All | IV 2892 | Explosives | Explosives (Military Sector) | All | IV 2893 | Printing Ink | Paint and Ink | Caustic or Water Washed Ink | V 2893 | Printing Ink | Paint and Ink | Solvent Wash Ink | II 2895 | Carbon Black | Channel Process | II 2895 | Carbon Black | Furnace Process | III 2895 | Carbon Black | Lamp Process | II 2895 | Carbon Black | Thermal Process | II 2899 | Chemicals and Chemical Preparations, NEC | Chemicals | Miscellaneous Chemicals | I-VI* *Shall be determined on a case-by-case basis. 2911 | Petroleum Refining | V 2950 | Paving and Roofing Materials | Products of Petroleum and Coal | All Except 2951 | III 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Rerefining of Oils or Greases | IV 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Waste Oil Reclamation | IV 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Crude Oil Reclamation | III 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | All Lubricating Oils, Blended | III 2999 | Petroleum and Coal Products, NEC | Miscellaneous Products of Petroleum and Coal | All | V 3011 | Tires and Inner Tubes | Rubber | Tire and Inner Tube Production | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Large-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Medium-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Small-Sized General Molded, Extruded and Fabricated Rubber Plants | III 3069 | Fabricated Rubber Products, NEC | Rubber | Large-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3069 | Fabricated Rubber Products, NEC | Rubber | Latex Foam | III 3069 | Fabricated Rubber Products, NEC | Rubber | Latex-Dipped, Latex-Extruded and Latex Molded Goods | III 3069 | Fabricated Rubber Products, NEC | Rubber | Medium-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3069 | Fabricated Rubber Products, NEC | Rubber | Small-Sized General Molded, Extruded and Fabricated Rubber Plants | III 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Miscellaneous Plastics Products | V 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Plastics Processing Without Contact Process Water | II 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Solution Casting | III 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Water Slurry Preforming Processes | III 3111 | Leather Tanning and Finishing | All | V 3131 | Boot and Shoe Cut Stock and Findings | Leather Tanning and Finishing | Boot and Shoe Cut Stock and Findings | II 3142 | House Slippers | Leather Tanning and Finishing | House Slippers | II 3143 | Men's Footwear, Except Athletic | Leather Tanning and Finishing | Men's Footwear, Except Athletic | II 3144 | Women's Footwear, Except Athletic | Leather Tanning and Finishing | Women's Footwear, Except Athletic | II 3149 | Footwear, Except Rubber NEC | Leather Tanning and Finishing | Footwear, Except Rubber, NEC | II 3151 | Leather Goods and Mittens | Leather Tanning and Finishing | Leather Gloves and Mittens | II 3161 | Luggage | Leather Tanning and Finishing | Luggage | II 3171 | Women's Handbags and Purses | Leather Tanning and Finishing | Women's Handbags and Purses | II 3172 | Personal Leather Goods, Except Women's Handbags | Leather Tanning and Finishing | Personal Leather Goods Except Women's Handbags | II 3199 | Leather Goods NEC | Leather Tanning and Finishing | Leather Goods, NEC | II 3200 | Stone, Clay, Shell, Glass and Concrete Products | Stone, Clay, Shell, Glass, and Concrete Products | All Except Abrasive, Asbestos, Etc. in 3290 | II 3290 | Abrasive, Asbestos, and Miscellaneous Nonmetallic Mineral Products | Abrasives, Asbestos, Mineral Wool, Etc. | All Except 3295 | IV 3295 | Stone, Clay, Glass and Concrete Products | Minerals, Earths, Grinding | Barite | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Basic Oxygen Furnace (Wet Air Pollution Control Methods) | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Basic Oxygen Furnace; Semi-Wet Air Pollution Control Methods | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Beehive Coke | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Blast Furnace (Ferromanganese) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Blast Furnace (Iron) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Byproduct Coke | V 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Cold Rolling | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Combination Acid Pickling (Batch and Continuous) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Continuous Alkaline Cleaning | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Continuous Casting and Pressure Slab Molding | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Electric Arc Furnace (Wet Air Pollution Control Methods) | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Electric Arc Furnace; Semi-Wet Air Pollution Control Methods | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot CoatingsGalvanizing | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot CoatingsTerne | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot FormingFlat | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot FormingPrimary | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot FormingSection | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Open Hearth Furnace | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | PicklingHydrochloric Acid-Batch and Continuous | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | PicklingSulfuric Acid-Batch and Continuous | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Pipe and Tube | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Scale Removal (Kolene and Hydride) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Sintering | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Vacuum Degassing | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Wire Pickling and Coating | III 3313 | Electrometallurgical Products | Iron and Steel | Continuous Casting and Pressure Slab Molding | III 3313 | Electrometallurgical Products | Iron and Steel | Electric Arc Furnace (Wet Air Pollution Control Methods) | III 3313 | Electrometallurgical Products | Iron and Steel | Electric Arc Furnace: Semi-Wet Air Pollution Control Methods | II 3313 | Electrometallurgical Products | Iron and Steel | Vacuum Degassing | III 3315 | Steel Wire Drawing and Steel Nails and Spikes | Iron and Steel | Hot Forming─Section | III 3316 | Cold Rolled Steel Sheet | Iron and Steel | Cold Rolling | III 3317 | Steel Pipe and Tubes | Iron and Steel | Pipe and Tube | III 3321 | Gray Iron Foundries | Foundry | Iron and Steel | III 3322 | Malleable Iron Foundries | Foundry | Iron and Steel | III 3324 | Steel Investment Foundries | Foundry | Iron and Steel | III 3325 | Steel Foundries, NEC | Foundry | Iron and Steel | III 3331 | Primary Smelting and Refining of Copper | Nonferrous Metals | Primary Copper | VI 3334 | Primary Production of Aluminum | Nonferrous Metals | Primary Aluminum | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Bauxite | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Indium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Antimony | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Arsenic | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Barium | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Beryllium | IV 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Bismuth | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Boron | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cadmium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Calcium | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cesium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cobalt | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Columbium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Gallium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Germanium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Gold | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Hafnium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Lead | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Lithium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Magnesium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Mercury | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Molybdenum | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Nickel | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Platinum Group | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rare Earths | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rhenium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rubidium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Selenium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Silver | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tantalum | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tellurium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tin | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Titanium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tungsten | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Uranium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Zinc | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Zirconium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Rhenium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Aluminum | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Babbitt | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Beryllium | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Boron | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Cobalt | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Columbian | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Copper | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Lead | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Magnesium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Mercury | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Nickel | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Plutonium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Precious Metals | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Silver | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tantalum | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tin | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Titanium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tungsten | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Uranium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Zinc | V 3351 | Rolling, Drawing and Extruding of Copper | Copper Forming | All | III 3353 | Aluminum Sheet, Plate and Foil | Aluminum Forming | All | V 3354 | Aluminum Extruded Products | Aluminum Forming | All | V 3355 | Aluminum Rolling and Drawing NEC | Aluminum Forming | All | V 3356 | Rolling, Drawing and Extraction of Other Nonferrous Metals | Primary Metals Forming | All, Except Copper and Aluminum | IV 3357 | Drawing and Insulating of Nonferrous Wire | Aluminum Forming | All | V 3363 | Aluminum Foundries (Casting) | Foundry | Aluminum Casting | III 3366 | Copper Foundries | Foundry | Copper Casting | III 3369 | Nonferrous Foundries (Castings) NEC | Foundry | All | III 3398 | Metal Heat Treating | Aluminum Forming | Heat Treating | V 3410 | Metal Cans and Shipping Containers | Fabricated Metal Products | All | V 3420 | Cutlery, Hand Tools and General Hardware | Fabricated Metal Products | All | II 3431 | Enameled Iron and Metal Sanitary Ware | Fabricated Metal Products | Iron | III 3433 | Heating Equipment Except Electric and Warm Air Furnaces | Fabricated Metal Products | All | II 3440 | Fabricated Structural Metal Products | Fabricated Metal Products | All | II 3450 | Screw Machine Products | Fabricated Metal Products | All, Including Bolts, Nuts, Screws, Rivets and Washers | II 3463 | Nonferrous Forgings | Aluminum Forming | Forging | III 3463 | Nonferrous Forgings | Copper Forming | Forging | III 3469 | Metal Stampings | Fabricated Metal Products | All | II 3471 | Electroplating, Plating, Polishing, Anodizing | Aluminum Forming | All | III 3479 | Coating, Engraving and Allied Services | Coil Coating | All | III 3479 | Coating, Engraving and Allied Services | Electroplating | Job Shops | III 3479 | Coating, Engraving and Allied Services | Iron and Steel | Hot Coatings─Galvanizing | III 3490 | Miscellaneous Fabricated Metal Products | Fabricated Metal Products | All Except 3497 | II 3497 | Metal Foil and Leaf | Coal Coating | Aluminum and Aluminized Steel | III 3500 | Machinery | Engines and Farm Equipment | All | II 3600 | Electronic and Other Electrical Equipment and Components, Except Computer Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3612 | Power, Distribution and Specialty Transformers | Electronic Production, Battery Manufacturing, Etc. | All | III 3613 | Switchgear and Switchboard Apparatus | Electronic Production, Battery Manufacturing, Etc. | Switchgear | III 3621 | Motors and Generators | Electronic Production, Battery Manufacturing, Etc. | Motors, Generators and Alternators | III 3624 | Carbon and Graphite Products | Electronic Production, Battery Manufacturing, Etc. | All | III 3629 | Electrical Industrial Apparatus, NEC | Electronic Production, Battery Manufacturing, Etc. | Capacitors | III 3631 | Household Cooking Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3632 | Household Refrigerators and Home and Farm Freezers | Electronic Production, Battery Manufacturing, Etc. | All | III 3633 | Household Laundry Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3639 | Household Appliances, NEC | Electronic Production, Battery Manufacturing, Etc. | All | III 3641 | Electric Lamps | Electronic Production, Battery Manufacturing, Etc. | Electric Lamps | III 3644 | Non-Current-Carrying Wiring Devices | Electronic Production, Battery Manufacturing, Etc. | Insulating Devices | III 3671 | Electron Tubes | Electronic Production, Battery Manufacturing, Etc. | All | III 3672 | Printed Circuit Boards | Electronic Production, Battery Manufacturing, Etc. | All | III 3674 | Semiconductors and Related Devices | Electronic Production, Battery Manufacturing, Etc. | Semiconductors | III 3675 | Electronic Capacitors | Electronic Production, Battery Manufacturing, Etc. | Capacitors | III 3677 | Electronic Coils, Transformers and Other Inductors | Electronic Production, Battery Manufacturing, Etc. | All | III 3679 | Electronic Components, NEC | Electronic Production, Battery Manufacturing, Etc. | All | III 3691 | Storage Batteries | Electronic Production, Battery Manufacturing, Etc. | All | III 3692 | Primary Batteries, Dry and Wet | Electronic Production, Battery Manufacturing, Etc. | All | III 3693 | Radiographic X-Ray, Fluoroscopic X-Ray, Etc. | Electronic Production, Battery Manufacturing, Etc. | Electric and Electronic Components | III 3694 | Electrical Equipment For Internal Combustion Engines | Electronic Production, Battery Manufacturing, Etc. | Motors, Generators and Alternators | III 3699 | Electrical Machinery, Equipment and Supplies, NEC | Electronic Production, Battery Manufacturing, Etc. | Electric and Electronic Components | III 3710 | Motor Vehicles and Motor Vehicle Equipment | Transportation Equipment | All | III 3731 | Ship Building and Repairing | Transportation Equipment | Ship Building and Repairing | I – IV* *Shall be determined on a case-by-case basis. 3732 | Boat Building and Repairing, Pleasure Craft | Transportation Equipment | All | II 3743 | Railroad Equipment | Transportation Equipment | All | IV 3751 | Motorcycles, Bicycles and Parts | Transportation Equipment | All | II 3764 | Guided Missiles and Space Vehicle Propulsion Units | Transportation Equipment | All | V 3790 | Miscellaneous Transportation Equipment | Transportation Equipment | All, Including Travel Trailers, Campers, Tanks, ATV | III 3800 | Measuring, Analyzing and Controlling Instruments | Instrument Manufacturing | All Except 3844, 3845, and 3861 | II 3844 | X-Ray Apparatus and Tubes and Related Irradiation Apparatus | Instrument Manufacturing | All | III 3845 | Electromedical and Electrotherapeutic Apparatus | Instrument Manufacturing | All | III 3861 | Photographic Equipment and Supplies | Instrument Manufacturing | All | III 3900 | Miscellaneous Manufacturing Industries | Toys, Musical Instruments, Caskets | All Except 3911 | II 3911 | Jewelry, Precious Metal | Miscellaneous Manufacturing Industries | All | III 4013 | Railroad Transportation | Railroads | Switching and Terminal Establishments | III 4200 | Motor Freight Transportation and Warehousing | Trucking, Courier Services, and Warehousing | All | II 4491 | Water Transportation | Barge Cleaning | Petroleum and Chemical Products | III 4491 | Water Transportation | Barge Cleaning | Grain Products | II 4491 | Water Transportation | Bulk Terminals | Coal and Coke Terminals | II 4499 | Water Transportation NEC | Transportation Services | All | II 4612 | Pipelines, Except Natural Gas | Crude Petroleum Pipelines | Crude Oil with Storage | II 4613 | Pipelines, Except Natural Gas | Refined Petroleum Pipelines | Refined Oil with Storage | II 4911 | Electric Services | Steam Electric | Cooling Tower Blowdown (Fossil Fuel Plants) | IV 4911 | Electric Services | Steam Electric | Nuclear Plants | V 4911 | Electric Services | Steam Electric | Once-Through Cooling Water (Fossil Fuel Plants) | III 4922 | Natural Gas Transmission | Transmission and Storage | Natural Gas, Compressors only | II 4931 | Electric and Other Services Combined | Steam Electric | Cooling Tower Blowdown (Fossil Fuel Plants) | IV 4931 | Electric and Other Services Combined | Steam Electric | Nuclear Plants | V 4931 | Electric and Other Services Combined | Steam Electric | Once-Through Cooling Water (Fossil Fuel Plants) | III 4952 | Sanitary Services | Sewerage Systems | I 4953 | Sanitary Services | Refuse Systems | Construction and Demolition Debris Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Municipal Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Commercial Municipal Waste Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Private Nonhazardous Industrial Waste Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Commercial Nonhazardous Industrial Waste Landfills and Landfarms | IV 4953 | Sanitary Services | Refuse Systems | Hazardous Waste Disposal | VI 5093 | Miscellaneous Durable Goods | Scrap and Waste Materials | Waste Oil Only | (Refer to SIC 2992) 5169 | Chemicals and Allied Products NEC | Chemical Storage | Chemical Bulk Storage and Distribution | II 5171 | Petroleum and Petroleum Products | Petroleum Bulk Stations and Terminals | II 5172 | Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals | Distribution of Petroleum and Petroleum Products | All | II 5191 | Miscellaneous Nondurable Goods | Farm Supplies | Pesticides, Insecticides and Fertilizers | IV 7211 | Power Laundries, Family and Commercial | Auto and Other Laundries | Power Laundries | II 7213 | Linen Supply | Auto and Other Laundries | Linen Supply | III 7214 | Diaper Service | Auto and Other Laundries | Diaper Service | II 7215 | Coin-Operated Laundries and Dry Cleaning | Auto and Other Laundries | Coin-Operated Laundries | I 7216 | Dry Cleaning Plants, Except Rug Cleaning | Auto and Other Laundries | All Dry Cleaning Except Coin Operated Laundries | II 7217 | Carpet and Upholstery Cleaning | Auto and Other Laundries | Carpet and Upholstery Cleaning | II 7218 | Industrial Launderers | Auto and Other Laundries | Industrial Laundry | III 7218 | Industrial Launderers | Auto and Other Laundries | External Cleaning of Equipment | II 7218 | Industrial Launderers | Auto and Other Laundries | Internal Cleaning of Equipment | III 7542 | Car Washes | Auto and Other Laundries | Car Wash | I 7542 | Car Washes | Auto and Other Laundries | All Exterior Cleaning of Equipment (Trucks, Trailers, Etc.), Except Car Washes | II 7699 | Repair Shops and Related Services NEC | Repair Services | All Except Tank Truck Cleaning | II 7699 | Repair Shops and Related Services NEC | Repair Services | Internal Tank Truck Cleaning | III 8071 | Medical Laboratories | All | III 8072 | Dental Laboratories | All | III 8731 | Commercial Physical and Biological Research | Only Chemical and Industrial Laboratories | III 8734 | Testing Laboratories | Analytical Laboratories | All | III Table 2. Alphabetical Listing (Major Industry Type Column) Complexity Group for Effluent Guideline Industrial Subcategories SIC Code | Effluent Guidelines Division Designations | Complexity Designation No. | SIC Title | Major Industry | Industrial Subcategory | Complexity Designation 3290 | Abrasive, Asbestos, and Miscellaneous Nonmetallic Mineral Products | Abrasives, Asbestos, Mineral Wool, Etc. | All Except 3295 | IV 2891 | Adhesives and Sealants | V 2873 | Nitrogenous Fertilizers | Agricultural Chemicals | All | VI 2874 | Phosphatic Fertilizers | Agricultural Chemicals | Phosphatic Fertilizing Materials Including Phosphoric Acid | VI 3353 | Aluminum Sheet, Plate and Foil | Aluminum Forming | All | V 3354 | Aluminum Extruded Products | Aluminum Forming | All | V 3355 | Aluminum Rolling and Drawing NEC | Aluminum Forming | All | V 3357 | Drawing and Insulating of Nonferrous Wire | Aluminum Forming | All | V 3398 | Metal Heat Treating | Aluminum Forming | Heat Treating | V 3463 | Nonferrous Forgings | Aluminum Forming | Forging | III 3471 | Electroplating, Plating, Polishing, Anodizing | Aluminum Forming | All | III 8734 | Testing Laboratories | Analytical Laboratories | All | III 7211 | Power Laundries, Family and Commercial | Auto and Other Laundries | Power Laundries | II 7213 | Linen Supply | Auto and Other Laundries | Linen Supply | III 7214 | Diaper Service | Auto and Other Laundries | Diaper Service | II 7215 | Coin-Operated Laundries and Dry Cleaning | Auto and Other Laundries | Coin-Operated Laundries | I 7216 | Dry Cleaning Plants, Except Rug Cleaning | Auto and Other Laundries | All Dry Cleaning Except Coin Operated Laundries | II 7217 | Carpet and Upholstery Cleaning | Auto and Other Laundries | Carpet and Upholstery Cleaning | II 7218 | Industrial Launderers | Auto and Other Laundries | Industrial Laundry | III 7218 | Industrial Launderers | Auto and Other Laundries | External Cleaning of Equipment | II 7218 | Industrial Launderers | Auto and Other Laundries | Internal Cleaning of Equipment | III 7542 | Car Washes | Auto and Other Laundries | Car Wash | I 7542 | Car Washes | Auto and Other Laundries | All Exterior Cleaning of Equipment (Trucks, Trailers, Etc.), Except Car Washes | II 4491 | Water Transportation | Barge Cleaning | Petroleum and Chemical Products | III 4491 | Water Transportation | Barge Cleaning | Grain Products | II 4491 | Water Transportation | Bulk Terminals | Coal and Coke Terminals | II 2895 | Carbon Black | Channel Process | II 2895 | Carbon Black | Furnace Process | III 2895 | Carbon Black | Lamp Process | II 2895 | Carbon Black | Thermal Process | II 5169 | Chemicals and Allied Products NEC | Chemical Storage | Chemical Bulk Storage and Distribution | II 2899 | Chemicals and Chemical Preparations, NEC | Chemicals | Miscellaneous Chemicals | I-VI* *Shall be determined on a case-by-case basis. 3497 | Metal Foil and Leaf | Coal Coating | Aluminum and Aluminized Steel | III 1221 | Bituminous Coal and Lignite | Coal Mining | Acid or Ferruginous Mines | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Alkaline Mines | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Coal Preparation Plants | IV 1221 | Bituminous Coal and Lignite | Coal Mining | Regrade/Revegetation | III 1231 | Anthracite Mining | Coal Mining | Acid or Ferruginous Mines | IV 1231 | Anthracite Mining | Coal Mining | Alkaline Mines | IV 1231 | Anthracite Mining | Coal Mining | Anthracite Segment of Acid Mine Subcategory | III 1231 | Anthracite Mining | Coal Mining | Coal Preparation Plants | IV 1231 | Anthracite Mining | Coal Mining | Regrade/Revegetation | III 3479 | Coating, Engraving and Allied Services | Coil Coating | All | III 8731 | Commercial Physical and Biological Research | Only Chemical and Industrial Laboratories | III 3351 | Rolling, Drawing and Extruding of Copper | Copper Forming | All | III 3463 | Nonferrous Forgings | Copper Forming | Forging | III 4612 | Pipelines, Except Natural Gas | Crude Petroleum Pipelines | Crude Oil with Storage | II 1311 | Oil and Gas Extraction | Crude Petroleum and Natural Gas | Exploration and Production, Except Storm Water Only | III 8072 | Dental Laboratories | All | III 5172 | Petroleum and Petroleum Products Wholesalers, Except Bulk Stations and Terminals | Distribution of Petroleum and Petroleum Products | All | II 3600 | Electronic and Other Electrical Equipment and Components, Except Computer Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3612 | Power, Distribution and Specialty Transformers | Electronic Production, Battery Manufacturing, Etc. | All | III 3613 | Switchgear and Switchboard Apparatus | Electronic Production, Battery Manufacturing, Etc. | Switchgear | III 3621 | Motors and Generators | Electronic Production, Battery Manufacturing, Etc. | Motors, Generators and Alternators | III 3624 | Carbon and Graphite Products | Electronic Production, Battery Manufacturing, Etc. | All | III 3629 | Electrical Industrial Apparatus, NEC | Electronic Production, Battery Manufacturing, Etc. | Capacitors | III 3631 | Household Cooking Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3632 | Household Refrigerators and Home and Farm Freezers | Electronic Production, Battery Manufacturing, Etc. | All | III 3633 | Household Laundry Equipment | Electronic Production, Battery Manufacturing, Etc. | All | III 3639 | Household Appliances, NEC | Electronic Production, Battery Manufacturing, Etc. | All | III 3641 | Electric Lamps | Electronic Production, Battery Manufacturing, Etc. | Electric Lamps | III 3671 | Electron Tubes | Electronic Production, Battery Manufacturing, Etc. | All | III 3672 | Printed Circuit Boards | Electronic Production, Battery Manufacturing, Etc. | All | III 3674 | Semiconductors and Related Devices | Electronic Production, Battery Manufacturing, Etc. | Semiconductors | III 3675 | Electronic Capacitors | Electronic Production, Battery Manufacturing, Etc. | Capacitors | III 3677 | Electronic Coils, Transformers and Other Inductors | Electronic Production, Battery Manufacturing, Etc. | All | III 3679 | Electronic Components, NEC | Electronic Production, Battery Manufacturing, Etc. | All | III 3691 | Storage Batteries | Electronic Production, Battery Manufacturing, Etc. | All | III 3692 | Primary Batteries, Dry and Wet | Electronic Production, Battery Manufacturing, Etc. | All | III 3693 | Radiographic X-Ray, Fluoroscopic X-Ray, Etc. | Electronic Production, Battery Manufacturing, Etc. | Electric and Electronic Components | III 3694 | Electrical Equipment For Internal Combustion Engines | Electronic Production, Battery Manufacturing, Etc. | Motors, Generators and Alternators | III 3699 | Electrical Machinery, Equipment and Supplies, NEC | Electronic Production, Battery Manufacturing, Etc. | Electric and Electronic Components | III 3500 | Machinery Engines and Farm | Equipment | All | II 2892 | Explosives | Explosives (Commercial Sector) | All | IV 2892 | Explosives | Explosives (Military Sector) | All | IV 3410 | Metal Cans and Shipping Containers | Fabricated Metal Products | All | V 3420 | Cutlery, Hand Tools and General Hardware | Fabricated Metal Products | All | II 3431 | Enameled Iron and Metal Sanitary Ware | Fabricated Metal Products | Iron | III 3433 | Heating Equipment Except Electric and Warm Air Furnaces | Fabricated Metal Products | All | II 3440 | Fabricated Structural Metal Products | Fabricated Metal Products | All | II 3450 | Screw Machine Products | Fabricated Metal Products | All, Including Bolts, Nuts, Screws, Rivets and Washers | II 3469 | Metal Stampings | Fabricated Metal Products | All | II 3490 | Miscellaneous Fabricated Metal Products | Fabricated Metal Products | All Except 3497 | II 5191 | Miscellaneous Nondurable Goods | Farm Supplies | Pesticides, Insecticides and Fertilizers | IV 3321 | Gray Iron Foundries | Foundry | Iron and Steel | III 3322 | Malleable Iron Foundries | Foundry | Iron and Steel | III 3324 | Steel Investment Foundries | Foundry | Iron and Steel | III 3325 | Steel Foundries, NEC | Foundry | Iron and Steel | III 3363 | Aluminum Foundries (Casting) | Foundry | Aluminum Casting | III 3366 | Copper Foundries | Foundry | Copper Casting | III 3369 | Nonferrous Foundries (Castings) NEC | Foundry | All | III 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Gum and Wood Chemicals | Rosin Based Derivatives | III 2861 | Gum and Wood Chemicals | Char and Charcoal Briquettes | II 2861 | Gum and Wood Chemicals | Essential Oil | II 2861 | Gum and Wood Chemicals | Gum Rosin | II 2861 | Gum and Wood Chemicals | Rosin Based Derivatives | IV 2861 | Gum and Wood Chemicals | Sulfate Turpentine | IV 2861 | Gum and Wood Chemicals | Tall Oil | IV 2861 | Gum and Wood Chemicals | Wood Rosin | IV 2500 | Furniture and Fixtures | Household and Office Furniture | All | II 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Chlorine | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Diaphragm Cell | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Mercury Cell | V 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Potassium Carbonate | IV 2812 | Alkalies and Chlorine | Inorganic Chemicals Manufacturing | Sodium Carbonate | IV 2812 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Bicarbonate | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Carbon Dioxide | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Carbon Monoxide | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Gases, Industrial Compressed Liquid/Solid | IV 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Hydrogen | II 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Nitrous Oxide | IV 2813 | Industrial Gases | Inorganic Chemicals Manufacturing | Oxygen and Nitrogen | II 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Barium Sulfate | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Byrytes Pigments | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Chloride Process | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Chrome Pigments | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Colors | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Black | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Magnetic | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Iron Oxide, Yellow | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Lead Dioxide, Brown (Pb02) | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Lead Oxide, Red (Pb304) | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Ochers | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Satin White Pigment | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Siennas | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Sulfate Process | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Titanium Dioxide | V 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Ultramarine Pigment | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Umbers | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | White Lead Pigment (Pb(OH)2+PbCO)3 | IV 2816 | Inorganic Pigments | Inorganic Chemicals Manufacturing | Whiting | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Fluoride | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Hydroxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Aluminum Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Alums | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonia Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Hydroxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Molybdate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Perchlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ammonium Thiosulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Barium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Barium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Beryllium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Bleaching Powder | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Borax | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Boric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Boron Compounds (Not Produced at Mines) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Borosilicate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Brine | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Bromine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Carbide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Compounds (Inorganic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Hypochlorite | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Calcium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cerium Salts | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chlorosulfuric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromic Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromium Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Chromium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt 60 (Radioactive) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cobalt Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Iodide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Copper Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Cuprous Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ferric Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Ferrous Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Fissionable Materials Production | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Fluorine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Heavy Water | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrated Alumina Silicate Powder | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrochloric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrofluoric Acid | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Cyanide | V 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Peroxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrogen Sulfide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Hydrophosphites | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Indium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Inorganic Acids (Except HNO2 or H2PO4) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Iodides | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Iodine | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Isotopes Radioactive | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Arsenate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Monoxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lead Silicate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lithium Carbonate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Lithium Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Luminous Compounds (Radium) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Magnesium Compounds (Inorganic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Manganese Dioxide (Powder Synthetic) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Manganese Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Mercury Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Mercury Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Ammonium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Carbonate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Fluoroborate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nickel Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nitric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nitric Acid (Strong) | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nuclear Fuel Reactor Cases, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Nuclear Fuel Scrap Reprocessing | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Oleum (Fuming Sulfuric Acid) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Oxidation Catalyst from Porcelain | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Percloric Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Peroxides, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potash Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potash Magnesia | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Aluminum Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Bromide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Chlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Chloride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Compounds Inorganic (Except KOH-K2CO3) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Dichromate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Hypochlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Iodide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Metal | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Nitrate and Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Permanganate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Potassium Sulfate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Radium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Radium Luminous Compounds | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Rare Earth Metal Salts | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Reagent Grade Chemicals (Inorganic: Refined From Technical Grades) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Salts of Rare Earth Metals | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silica Amorphous | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silica Gel | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Bromide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Carbonate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Iodide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Silver Oxide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Soda Alum | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Antimoniate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Bisulfite | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Chlorate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Compounds, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Cyanide | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Dichromate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Fluoride | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Hydrosulfide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Hydrosulfite | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Metal | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Silicate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Silicofluoride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Sulfite | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sodium Thiosulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Stannic and Stannous Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Stannic Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Strontium Carbonate (Precipitated and Oxide) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Strontium Nitrate | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfides and Sulfites | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfocyanides | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur (Recovered or Refined, Including From Sour Natural Gas) | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Dioxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfur Hexafluoride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Sulfuric Acid | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Thiocyanates, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Tin Compounds, Inorganic | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Uranium Slug, Radioactive | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Uranium Recovery from Phosphoric Acid Production | VI 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Chloride | IV 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Oxide | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Sulfate | II 2819 | Industrial Inorganic Chemicals NEC | Inorganic Chemicals Manufacturing | Zinc Sulfide | IV 3800 | Measuring, Analyzing and Controlling Instruments | Instrument Manufacturing | All Except 3844, 3845, and 3861 | II 3844 | X-Ray Apparatus and Tubes and Related Irradiation Apparatus | Instrument Manufacturing | All | III 3845 | Electromedical and Electrotherapeutic Apparatus | Instrument Manufacturing | All | III 3861 | Photographic Equipment and Supplies | Instrument Manufacturing | All | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Basic Oxygen Furnace (Wet Air Pollution Control Methods) | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Basic Oxygen Furnace; Semi-Wet Air Pollution Control Methods | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Beehive Coke | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Blast Furnace (Ferromanganese) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Blast Furnace (Iron) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Byproduct Coke | V 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Cold Rolling | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Combination Acid Pickling (Batch and Continuous) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Continuous Alkaline Cleaning | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Continuous Casting and Pressure Slab Molding | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Electric Arc Furnace (Wet Air Pollution Control Methods) | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Electric Arc Furnace; Semi-Wet Air Pollution Control Methods | II 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot Coatings─Galvanizing | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot Coatings─Terne | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot Forming─Flat | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot Forming─Primary | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Hot Forming─Section | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Open Hearth Furnace | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Pickling—Hydrochloric Acid—Batch and Continuous | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Pickling—Sulfuric Acid—Batch and Continuous | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Pipe and Tube | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Scale Removal (Kolene and Hydride) | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Sintering | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Vacuum Degassing | III 3312 | Blast Furnaces, Steel Works and Rolling Mills | Iron and Steel | Wire Pickling and Coating | III 3313 | Electrometallurgical Products | Iron and Steel | Continuous Casting and Pressure Slab Molding | III 3313 | Electrometallurgical Products | Iron and Steel | Electric Arc Furnace (Wet Air Pollution Control Methods) | III 3313 | Electrometallurgical Products | Iron and Steel | Electric Arc Furnace: Semi-Wet Air Pollution Control Methods | II 3313 | Electrometallurgical Products | Iron and Steel | Vacuum Degassing | III 3315 | Steel Wire Drawing and Steel Nails and Spikes | Iron and Steel | Hot Forming─Section | III 3316 | Cold Rolled Steel Sheet | Iron and Steel | Cold Rolling | III 3317 | Steel Pipe and Tubes | Iron and Steel | Pipe and Tube | III 3479 | Coating, Engraving and Allied Services | Iron and Steel | Hot Coatings─Galvanizing | III 3111 | Leather Tanning and Finishing | All | V 3131 | Boot and Shoe Cut Stock and Findings | Leather Tanning and Finishing | Boot and Shoe Cut Stock and Findings | II 3142 | House Slippers | Leather Tanning and Finishing | House Slippers | II 3143 | Men's Footwear, Except Athletic | Leather Tanning and Finishing | Men's Footwear, Except Athletic | II 3144 | Women's Footwear, Except Athletic | Leather Tanning and Finishing | Women's Footwear, Except Athletic | II 3149 | Footwear, Except Rubber NEC | Leather Tanning and Finishing | Footwear, Except Rubber, NEC | II 3151 | Leather Goods and Mittens | Leather Tanning and Finishing | Leather Gloves and Mittens | II 3161 | Luggage | Leather Tanning and Finishing | Luggage | II 3171 | Women's Handbags and Purses | Leather Tanning and Finishing | Women's Handbags and Purses | II 3172 | Personal Leather Goods, Except Women's Handbags | Leather Tanning and Finishing | Personal Leather Goods Except Women's Handbags | II 3199 | Leather Goods NEC | Leather Tanning and Finishing | Leather Goods, NEC | II 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Rerefining of Oils or Greases | IV 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Waste Oil Reclamation | IV 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | Crude Oil Reclamation | III 2992 | Miscellaneous Products of Petroleum and Coal | Lubricating Oils and Greases | All Lubricating Oils, Blended | III 8071 | Medical Laboratories | All | III 3295 | Stone, Clay, Glass and Concrete Products | Minerals, Earths, Grinding | Barite | II 1389 | Oil and Gas Field Services | Miscellaneous | Reserve Pit Treaters | IV 1389 | Oil and Gas Field Services | Miscellaneous | Oilfield Waste Disposal | V 1389 | Oil and Gas Field Services | Miscellaneous | Treatment of Oilfield Waste | IV 1389 | Oil and Gas Field Services | Miscellaneous | External Cleaning of Equipment | II 1389 | Oil and Gas Field Services | Miscellaneous | Internal Cleaning of Equipment | III 3911 | Jewelry, Precious Metal | Miscellaneous Manufacturing Industries | All | III 2999 | Petroleum and Coal Products, NEC | Miscellaneous Products of Petroleum and Coal | All | V 3331 | Primary Smelting and Refining of Copper | Nonferrous Metals | Primary Copper | VI 3334 | Primary Production of Aluminum | Nonferrous Metals | Primary Aluminum | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Bauxite | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Indium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Antimony | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Arsenic | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Barium | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Beryllium | IV 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Bismuth | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Boron | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cadmium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Calcium | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cesium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Cobalt | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Columbium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Gallium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Germanium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Gold | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Hafnium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Lead | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Lithium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Magnesium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Mercury | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Molybdenum | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Nickel | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Platinum Group | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rare Earths | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rhenium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Rubidium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Selenium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Silver | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tantalum | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tellurium | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tin | III 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Titanium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Tungsten | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Uranium | V 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Zinc | VI 3339 | Primary Smelting and Refining of Nonferrous Metals Except Aluminum and Copper | Nonferrous Metals | Primary Zirconium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Rhenium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Aluminum | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Babbitt | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Beryllium | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Boron | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Cobalt | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Columbian | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Copper | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Lead | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Magnesium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Mercury | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Nickel | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Plutonium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Precious Metals | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Silver | VI 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tantalum | III 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tin | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Titanium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Tungsten | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Uranium | V 3341 | Secondary Smelting and Refining of Nonferrous Metals | Nonferrous Metals | Secondary Zinc | V 1011 | Iron Ores | Ore Mining and Dressing | Iron Ore | IV 1021 | Copper Ores | Ore Mining and Dressing | Base and Precious Metals | V 1031 | Lead and Zinc Ores | Ore Mining and Dressing | Base and Precious Metals | V 1041 | Gold Ores | Ore Mining and Dressing | Base and Precious Metals | V 1044 | Silver Ores | Ore Mining and Dressing | Base and Precious Metals | V 1061 | Ferroalloy Ores, Except Vanadium | Ore Mining and Dressing | Ferroalloy | V 1094 | Uranium-Radium-Vanadium Ores | Ore Mining and Dressing | Uranium | VI 1099 | Mercury Ores | Ore Mining and Dressing | Mercury | V 1099 | Miscellaneous Metal Ores NEC | Ore Mining and Dressing | Aluminum | IV 1099 | Miscellaneous Metal Ores NEC | Ore Mining and Dressing | Metal Ore, NEC | V 2865 | Cyclic Organic Crudes and Intermediates, and Organic Dyes and Pigments | Organic Chemicals | Cyclic Organic Crudes and Intermediates, and Organic Dyes and Pigments | VI 2869 | Industrial Organic Chemicals NEC | Organic Chemicals | Industrial Organic Chemicals, NEC | VI 2869 | Industrial Organic Chemicals NEC | Organic Chemicals | Ethanol by Fermentation, Food Additives | III 2851 | Paints/Varnishes/Lacquers/Enamels and Allied Products | Paint and Ink | Caustic or Water Washed Paint | V 2851 | Paints/Varnishes/Lacquers/Enamels and Allied Products | Paint and Ink | Solvent Wash Paint | II 2893 | Printing Ink | Paint and Ink | Caustic or Water Washed Ink | V 2893 | Printing Ink | Paint and Ink | Solvent Wash Ink | II 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Amides | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Formulation and Packaging of Agricultural Chemicals | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Halogenated Organics | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Heterocyclic Nitrogens | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Metallo Organic | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Miscellaneous | VI 2879 | Pesticides and Agricultural Chemicals, NEC | Pesticides | Organophosphorus | VI 5171 | Petroleum and Petroleum Products | Petroleum Bulk Stations and Terminals | II 2911 | Petroleum Refining | V 2833 | Medicinal Chemicals and Botanical Products | Pharmaceutical Manufacturing | All | VI 2834 | Pharmaceutical Preparations | Pharmaceutical Manufacturing | Mising and Formulation (Pharmaceutical Preparations) | VI 2836 | Biological Products | Pharmaceutical Manufacturing | Extraction (Biological Products) | VI 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Defluorinated Rock | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Defluorinated Acid | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Elemental Phosphorus | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Phosphorus Derived Chemicals | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Phosphates | IV 2819 | Industrial Inorganic Chemicals NEC | Phosphate Manufacturing | Sodium Phosphates | IV 1475 | Phosphate Rock | Phosphate Mining | IV 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Plastics and Synthetics | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | VI 2821 | Plastic Materials, Synthetic Resins and Nonvulcanizable Elastomers | Plastics and Synthetics | Melamine Crystals | III 2823 | Cellulosic Man-Made Fibers | Plastics and Synthetics | Cellulosic Man-Made Fibers | VI 2824 | Synthetic Organic Fibers, Except Cellulosic | Plastics and Synthetics | Synthetic Organic Fibers, Except Cellulosic | VI 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Plastics Processing Without Contact Process Water | II 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Solution Casting | III 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Miscellaneous Plastics Products | V 3089 | Miscellaneous Plastics Products, NEC | Plastics Processing | Water Slurry Preforming Processes | III 3356 | Rolling, Drawing and Extraction of Other Nonferrous Metals | Primary Metals Forming | All, Except Copper and Aluminum | IV 2700 | Printing, Publishing and Allied Industries | Printing and Publishing | All | II 2000 | Food and Kindred Products | Processing Food and Beverages | All | II 2950 | Paving and Roofing Materials | Products of Petroleum and Coal | All except 2951 | III 2611 | Pulp Mills | Pulp, Paper and Paperboard | All | III 2621 | Building Paper and Buildingboard Mills | Pulp, Paper and Paperboard | Waste Paper─Construction | III 2621 | Building Paper and Buildingboard Mills | Pulp, Paper and Paperboard | Waste Paper─Board | III 2621 | Paper Mills | Pulp, Paper and Paperboard | All | III 2631 | Paperboard Mills | Pulp, Paper and Paperboard | All | III 2640 | Converted Paper and Paperboard Products | Pulp, Paper and Paperboard | All, Except Containers and Boxes | II 2650 | Paperboard Containers and Boxes | Pulp, Paper and Paperboard | All | II 4013 | Railroad Transportation | Railroads | Switching and Terminal Establishments | III 1321 | Natural Gas Liquids | Recovering/Fractioning | Natural Gas | II 4613 | Pipelines, Except Natural Gas | Refined Petroleum Pipelines | Refined Oil with Storage | II 4953 | Sanitary Services | Refuse Systems | Construction and Demolition Debris Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Municipal Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Commercial Municipal Waste Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Private Nonhazardous Industrial Waste Landfills and Landfarms | II 4953 | Sanitary Services | Refuse Systems | Commercial Nonhazardous Industrial Waste Landfills and Landfarms | IV 4953 | Sanitary Services | Refuse Systems | Hazardous Waste Disposal | VI 7699 | Repair Shops and Related Services NEC | Repair Services | All Except Tank Truck Cleaning | II 7699 | Repair Shops and Related Services NEC | Repair Services | Internal Tank Truck Cleaning | III 1479 | Chemical and Fertilizer Mineral Mining NEC | Rock Salt | All | III 2822 | Synthetic Rubber (Vulcanizable Elastomers) | Rubber | All | V 3011 | Tires and Inner Tubes | Rubber | Tire and Inner Tube Production | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Large-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Medium-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3052 | Rubber and Plastic Hose and Belting | Rubber | Small-Sized General Molded, Extruded and Fabricated Rubber Plants | III 3069 | Fabricated Rubber Products, NEC | Rubber | Large-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3069 | Fabricated Rubber Products, NEC | Rubber | Latex Foam | III 3069 | Fabricated Rubber Products, NEC | Rubber | Latex-Dipped, Latex-Extruded and Latex Molded Goods | III 3069 | Fabricated Rubber Products, NEC | Rubber | Medium-Sized General Molded, Extruded and Fabricated Rubber Plants | IV 3069 | Fabricated Rubber Products, NEC | Rubber | Small-Sized General Molded, Extruded and Fabricated Rubber Plants | III 1440 | Mining of Nonmetallic Minerals | Sand and Gravel | All | II 5093 | Miscellaneous Durable Goods | Scrap and Waste Materials | Waste Oil Only | (Refer to SIC 2992) 4952 | Sanitary Services | Sewerage Systems | I 2841 | Soaps and Other Detergents, Except Specialty Cleaners | Soaps and Detergents | All | III 2842 | Specialty Cleaning, Polishing and Sanitary Preparation | Soaps and Detergents | All | III 2843 | Surface Active Agents, Finishing Agents, Etc. | Soaps and Detergents | All | III 2844 | Perfumes, Cosmetics and Other Toilet Preparations | Soaps and Detergents | Manufacturing of Liquid Soaps | III 4911 | Electric Services | Steam Electric | Cooling Tower Blowdown (Fossil Fuel Plants) | IV 4911 | Electric Services | Steam Electric | Nuclear Plants | V 4911 | Electric Services | Steam Electric | Once-Through Cooling Water (Fossil Fuel Plants) | III 4931 | Electric and Other Services Combined | Steam Electric | Cooling Tower Blowdown (Fossil Fuel Plants) | IV 4931 | Electric and Other Services Combined | Steam Electric | Nuclear Plants | V 4931 | Electric and Other Services Combined | Steam Electric | Once-Through Cooling Water (Fossil Fuel Plants) | III 3200 | Stone, Clay, Shell, Glass and Concrete Products | Stone, Clay, Shell, Glass, and Concrete Products | All Except Abrasive, Asbestos, Etc. in 3290 | II 1479 | Chemical and Fertilizer Mineral Mining NEC | Sulfur | All | V 2211 | Broad Woven Fabric Mills, Cotton | Textile Mills | Greige Mills | II 2211 | Broad Woven Fabric Mills, Cotton | Textile Mills | Woven Fabric Finishing | V 2221 | Broad Woven Fabric Mills, Man-Made Fiber and Silk | Textile Mills | Greige Mills | II 2231 | Broad Woven Fabric Mills, Wool | Textile Mills | Greige Mills | II 2231 | Broad Woven Fabric Mills, Wool | Textile Mills | Wool Finishing | V 2241 | Narrow Fabrics and Other Smallwares Mills | Textile Mills | Greige Mills | II 2241 | Narrow Fabrics and Other Smallwares Mills | Textile Mills | Woven Fabric Finishing | V 2251 | Women's Full Length and Knee Length Hosiery | Textile Mills | Hosiery | V 2252 | Hosiery, Except Women's Full Length and Knee Length | Textile Mills | Hosiery | V 2253 | Knit Outerwear Mills | Textile Mills | Greige Mills | II 2253 | Knit Outerwear Mills | Textile Mills | Knit Fabric Finishing | V 2254 | Knit Underwear Mills | Textile Mills | Knit Fabric Finishing | V 2255 | Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2256 | Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2257 | Circular Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2258 | Lace and Warp Knit Fabric Mills | Textile Mills | Knit Fabric Finishing | V 2259 | Knitting Mills, NEC | Textile Mills | Knit Fabric Finishing | V 2261 | Finishers of Broad Woven Fabrics of Cotton | Textile Mills | Woven Fabric Finishing | V 2262 | Finishers of Broad Woven Fabrics/Man-Made Fiber | Textile Mills | Woven Fabric Finishing | V 2269 | Finishers of Textiles, NEC | Textile Mills | Woven Fabric Finishing | V 2273 | Carpets and Rugs | Textile Mills | Carpet Finishing | V 2273 | Carpets and Rugs | Textile Mills | Greige Mills | II 2281 | Yarn Spinning Mills | Textile Mills | Greige Mills | II 2281 | Yarn Spinning Mills | Textile Mills | Stock and Yarn Dyeing | V 2282 | Yarn Texturizing, Throwing, Twisting, and Winding Mills | Textile Mills | Greige Mills | II 2282 | Yarn Texturizing, Throwing, Twisting, and Winding Mills | Textile Mills | Stock and Yarn Dyeing | V 2284 | Thread Mills | Textile Mills | Stock and Yarn Dyeing | V 2293 | Textile Goods NEC | Textile Mills | Padding and Upholstery | II 2294 | Textile Goods NEC | Textile Mills | Processed Textile Wastes | II 2297 | Nonwoven Fabrics | Textile Mills | Nonwoven Manufacturing | V 2299 | Textile Goods NEC | Textile Mills | Wool Scouring and Felt Manufacturing | V 2300 | Apparel and Other Finished Products/From Fabrics | Textile Mills | Apparel | II 2410 | Logging Camps and Logging Contractors | Timber Products Processing | All | II 2421 | Sawmills and Planing Mills, General | Timber Products Processing | Sawmills and Planing Mills | II 2426 | Hardwood Dimension and Flooring Mills | Timber Products Processing | Hardwood Dimension and Flooring Mills | II 2429 | Special Product Sawmills, NEC | Timber Products Processing | Special Products Sawmills, NEC | II 2431 | Millwork | Timber Products Processing | Millwork | II 2434 | Wood Kitchen Cabinets | Timber Products Processing | Wood Kitchen Cabinets | II 2435 | Hardwood Veneer and Plywood | Timber Products Processing | Plywood | IV 2435 | Hardwood Veneer and Plywood | Timber Products Processing | Veneer | II 2436 | Softwood Veneer and Plywood | Timber Products Processing | Plywood | IV 2436 | Softwood Veneer and Plywood | Timber Products Processing | Veneer | II 2439 | Structural Wood Members, NEC | Timber Products Processing | Millwork, Veneer, Plywood and Structural Wood Members | II 2440 | Wood Containers | Timber Products Processing | All | II 2450 | Wooden Buildings and Mobile Homes | Timber Products Processing | All | II 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Steam | IV 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Boulton | IV 2491 | Wood Preserving | Timber Products Processing | Wood Preserving─Inorganic | II 2493 | Reconstituted Wood Products | Timber Products Processing | Particleboard | II 2493 | Wood Products NEC | Timber Products Processing | Hardboard─Dry Process | II 2493 | Wood Products NEC | Timber Products Processing | Wet Process Hardboard (Two Subcategories) | IV 2493 | Wood Products NEC | Timber Products Processing | Wood Products, NEC | II 2661 | Building Paper and Buildingboard Mills | Timber Products Processing | Barking | II 2679 | Building Paper and Buildingboard Mills | Timber Products Processing | Insulation Board (Two Subcategories) | IV 3900 | Miscellaneous Manufacturing Industries | Toys, Musical Instruments, Caskets | All Except 3911 | II 4922 | Natural Gas Transmission | Transmission and Storage | Natural Gas, Compressors only | II 3710 | Motor Vehicles and Motor Vehicle Equipment | Transportation Equipment | All | III 3731 | Ship Building and Repairing | Transportation Equipment | Ship Building and Repairing | I – IV* *Shall be determined on a case-by-case basis. 3732 | Boat Building and Repairing, Pleasure Craft | Transportation Equipment | All | II 3743 | Railroad Equipment | Transportation Equipment | All | IV 3751 | Motorcycles, Bicycles and Parts | Transportation Equipment | All | II 3764 | Guided Missiles and Space Vehicle Propulsion Units | Transportation Equipment | All | V 3790 | Miscellaneous Transportation Equipment | Transportation Equipment | All, Including Travel Trailers, Campers, Tanks, ATV | III 4499 | Water Transportation NEC | Transportation Services | All | II 4200 | Motor Freight Transportation and Warehousing | Trucking, Courier Services, and Warehousing | All | II