To be eligible to compete for award of funding agreements in SBA's Small Business Innovation Research (SBIR) program, a business concern must:
(a) Be at least 51 percent owned and controlled by one or more individuals who are citizens of, or permanent resident aliens in, the United States; and
(b) Not have more than 500 employees, including its affiliates.
Source: Code of Federal Regulations, Title 13, Volume 1, Revised as of January 1, 2003, Part 121 - Small Business Size Regulations, Subpart A - Size Eligibility Provisions and Standards, Size Eligibility Requirements for the Small Business Innovation Research (SBIR) Program
