RESEARCH, DEVELOPMENT, AND TESTING SERVICES (EXCEPT NONCOMMERCIAL RESEARCH ORGANIZATIONS) (SIC 873, EX 8733) Establishments primarily engaged in physical and biological research and development on a contract or fee basis. Noncommercial research establishments (funded by endowments, grants, or contributions) are classified in Industry 8733. Separate establishments of aircraft, guided missile, or spacecraft manufacturers primarily engaged in research and development on these products are classified in Manufacturing, Major Group 37. Establishments primarily engaged in performing business, marketing, opinion, and other economic, sociological, and educational research on a contract or fee basis. Noncommercial research establishments (funded by endowments, grants, or contributions) are classified in Industry 8733. Establishments primarily engaged in providing testing services. Establishments performing clinical laboratory testing for the medical profession are classified in Industry 8071.