Pub. L. 93-618, tit. II, ch. 3, sec. 261
DEFINITIONS.
SEC. 261. DEFINITIONS. For purposes of this chapter, the term “firm” includes an individual proprietorship, partnership, joint venture, association, corporation (including a development corporation), business trust, cooperative, trustee bankruptcy, and receiver under decree of any court. A firm, together with any predecessor or successor firm, or any affiliated firm controlled or substantially beneficially owned by substantially the same persons, may be considered a single firm where necessary to prevent unjustifiable benefits.