Establishments primarily engaged in commercial 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.
- Agricultural research,
- Biological research commercial
- Chemical laboratories, commercial research except testing
- Engineering laboratories, commercial research: except testing
- Food research commercial
- Industrial laboratories commercial research: except testing
- Physical research commercial
- Research and development physical and biological: commercial