NAICS 541715: Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) is NAICS code 541715. A business is small under it with 1,000 employees or fewer. 296 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- 1,000 employees or fewer
- Open contracts now
- 296
- Federal spending, FY2026
- $42 billion
- Share won by small businesses
- 22%
- Small businesses registered
- 9,382
Open federal contracts for research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology)
- TTO Office-Wide Solicitation Proposers Day
Due in 1 dayOct 5, 2026
- NASA Research Announcement: V-Band
Due in 2 daysOct 6, 2026
- Next Gen IACMAC RFI
Due in 2 daysOct 6, 2026
- AI and Data Science Specialist Support – Health and Extreme Weather Project
Due in 4 daysOct 8, 2026
- NSWC-PHD MATAC OTA Request for Prototype Proposals: Router Chassis Design & Production
Due in 4 daysOct 8, 2026
- Modernization of Scientific and Technical Intelligence (SandTI;) Prototype Effort
Due in 5 daysOct 9, 2026
What NAICS 541715 covers
The Census Bureau's NAICS index lists these kinds of work under 541715:
- Aerospace research and development (except prototype production)
- Agriculture research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Artificial intelligence research and development laboratories or services
- Bacteriological research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Biology research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Botany research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Chemical research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Computer and related hardware research and development laboratories or services (except nanotechnology research and development)
- Dental research and development laboratories or services
- Electronic research and development laboratories or services (except nanotechnology research and development)
- Engineering research and development laboratories or services (except nanotechnology research and development)
- Entomological research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Environmental research and development laboratories or services (except biotechnology and nanotechnology research and development)
- Experimental farms
The index lists 33 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 541715
To count as a small business for a contract assigned NAICS 541715, your business must have 1,000 employees or fewer. Employees are averaged over the last 24 months.
Some contracts under this code use a different limit:
- Aircraft, Aircraft Engine and Engine Parts: 1,500 employees or fewer
- Other Aircraft Parts and Auxiliary Equipment: 1,250 employees or fewer
- Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts: 1,300 employees or fewer
SBA note: NAICS Codes 541713, 541714 and 541715
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology)
Agencies that awarded the most under NAICS 541715 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $35.9 billion |
| Department of the Navy | $21.6 billion |
| National Aeronautics and Space Administration | $17.6 billion |
| Missile Defense Agency | $15.3 billion |
| Department of the Army | $12.6 billion |
| Department of Energy | $10.1 billion |
| National Institutes of Health | $4.4 billion |
| Federal Acquisition Service | $4.2 billion |
Open notices right now come from Dept of Defense (229), Department of Health and Human Services (20), Department of Energy (11), National Aeronautics and Space Administration (10), Department of Transportation (9) and National Science Foundation (4).
Set-asides on open 541715 contracts
- No set-aside (full and open): 278
- Total small business set-aside: 17
- Women-owned set-aside: 2
- Partial small business set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
9,382 businesses with active SAM.gov registrations are rated small under NAICS 541715, most of them in Virginia (1,425), California (1,012), Texas (765), Florida (738) and Maryland (719). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 541715 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $43.2 billion |
| FY2025 | $46.4 billion |
| FY2026 | $42 billion |
| FY2027 (so far) | $3.4 million |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 541713 Research and Development in Nanotechnology
- 541714 Research and Development in Biotechnology (except Nanobiotechnology)
- 541720 Research and Development in the Social Sciences and Humanities
Frequently asked questions
What is NAICS code 541715?
541715 is the 2022 NAICS code for Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). The Census Bureau's index lists work such as aerospace research and development (except prototype production), agriculture research and development laboratories or services (except biotechnology and nanotechnology research and development), artificial intelligence research and development laboratories or services under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 541715?
1,000 employees or fewer. A business at or under that is small for contracts assigned this code. Some kinds of contracts under this code use a different limit. The current SBA table took effect Mar 17, 2023.
Are there government contracts for research and development in the physical, engineering, and life sciences (except nanotechnology and biotechnology)?
Yes. 296 federal contract opportunities under NAICS 541715 are open on SAM.gov right now. Agencies obligated about $42 billion under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 541715 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.