Also consult the applicable regulations in the Code of Federal Regulations which are in Title 13, Code of Federal Regulations, part 121 (13 CFR part 121), Small Business Size Regulations. SBA's size regulations pertaining to Federal procurement are also found in the Federal Acquisition Regulation...
NAICS Code 541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology]; Providing veterinary testing services--are classified in NAICS Code 541940 - Veterinary Services; Providing physical, chemical, or other analytical testing services (...