48 CFR § 19.001 - Definitions.
As used in this part -
Concern means any business entity organized for profit (even if its ownership is in the hands of a nonprofit entity) with a place of business located in the United States or its outlying areas and that makes a significant contribution to the U.S. economy through payment of taxes and/or use of American products, material and/or labor, etc. “Concern” includes but is not limited to an individual, partnership, corporation, joint venture, association, or cooperative. For the purpose of making affiliation findings (see 19.101), include any business entity, whether organized for profit or not, and any foreign business entity, i.e., any entity located outside the United States and its outlying areas.
Fair market price means a price based on reasonable costs under normal competitive conditions and not on lowest possible cost (see 19.202-6).
Nonmanufacturer rule means that a contractor under a small business set-aside or 8(a) contract shall be a small business under the applicable size standard and shall provide either its own produce or that of another domestic small business manufacturing or processing concern (see 13 CFR 121.406).