NAICS 541715:
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
This U.S. industry comprises establishments primarily engaged in conducting research and experimental development (except nanotechnology and biotechnology research and experimental development) in the physical, engineering, and life sciences, such as agriculture, electronics, environmental, biology, botany, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, oceanography, pharmacy, physics, veterinary, and other allied subjects.
Experimental farmsDental research and development laboratories or servicesForestry research and development laboratories or services+5 examples
Also called: artificial intelligence
Matching SIC code: 8731 Commercial Physical and Biological Research (also 3721 Aircraft, 3724 Aircraft Engines and Engine Parts)
Where it sits
- 54Professional, Scientific, and Technical ServicesSector
- 541Professional, Scientific, and Technical ServicesSubsector
- 5417Scientific Research and Development ServicesIndustry group
- 54171Research and Development in the Physical, Engineering, and Life SciencesNAICS industry
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)National industry
Largest companies with NAICS 541715
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  IQVIAiqvia.com | Durham, US | 86K |
| 2 |  Syneos Healthsyneoshealth.com | Morrisville, US | 24K |
| 3 |  Parexelparexel.com | Raleigh, US | 22K |
| 4 |  PPDppd.com | Waltham, US | 20K |
| 5 |  Charles River Laboratoriescriver.com | Wilmington, US | 14K |
| 6 |  Fortreafortrea.com | US | 12K |
| 7 |  OpenAIopenai.com | San Francisco, US | 11K |
| 8 |  MITREmitre.org | Mc Lean, US | 9.2K |
| 9 |  Clarioclario.com | Philadelphia, US | 7.2K |
| 10 |  Medpacemedpace.com | Cincinnati, US | 6.7K |
Not this code?
Similar activities the Census classifies elsewhere.
- 541380Testing Laboratories and ServicesProviding physical, chemical, or other analytical testing services (except medical or veterinary), such as acoustics or vibration testing, calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing
- 541420Industrial Design ServicesCreating and developing industrial designs and specifications that optimize the use, value, and appearance of automobiles, furniture, and other products
- 541940Veterinary ServicesProviding veterinary testing services
- 621511Medical LaboratoriesProviding medical laboratory testing for humans
Questions about NAICS 541715
What is the NAICS code for artificial intelligence?
Which businesses use NAICS 541715?
What SIC code matches NAICS 541715?
How many companies have NAICS 541715?
Code titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.