Professional, Scientific, and Technical Services › Professional, Scientific, and Technical Services › Scientific Research and Development Services
Sector
Professional, Scientific, and Technical Services
Subsector
Professional, Scientific, and Technical Services
Industry Group
Scientific Research and Development Services
National Industry (This Code)
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Source: U.S. Census Bureau 2022 NAICS
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
1,000 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 541715
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
The following activities are classified elsewhere in the NAICS system:
NAICS code 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Scientific Research and Development Services space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 1,000 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 541715.
NAICS code 541715 is 'Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)', classified under the Professional, Scientific, and Technical Services sector (NAICS 54). This U.S. industry comprises establishments primarily engaged in conducting research and experimental development (except nanotechnology and biotechnology research and experimental development) in the
The SBA defines a small business under NAICS code 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)) as one with 1,000 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
To register NAICS code 541715 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)) to your NAICS code list. You may designate one code as your Primary NAICS code.
Other codes in Scientific Research and Development Services
PSC codes commonly used with this NAICS sector
Source: GSA PSC Manual April 2025
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