This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in conducting research and experimental development in biotechnology.

Cross-References. Establishments primarily engaged in--

• Providing physical, chemical, or other analytical testing services (except medical or veterinary)--are classified in Industry 541380, Testing Laboratories;
• Providing medical laboratory testing for humans--are classified in U.S. Industry 621511, Medical Laboratories;
• Conducting research and development in life sciences, except biotechnology--are classified in U.S. Census Bureau NAICS-based industry 54171029, Research and Development in Other Life Sciences;
• Providing veterinary testing services--are classified in Industry 541940, Veterinary Services;
• Providing biotechnology research and development services--are classified in U.S. Census Bureau NAICS-based industry 54171023, Research and Development in Biotechnology; a nd
• Conducting research and development in the physical sciences--are classified in U.S. Census Bureau NAICS-based industry 5417101, Research & Development in the Physical and Engineering Sciences.