541715

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Professional, Scientific, and Technical Services › Professional, Scientific, and Technical Services › Scientific Research and Development Services

SBA Size Standard

1,000 employees

Employee-Based Verify at SBA.gov →

NAICS Code Hierarchy

54

Sector

Professional, Scientific, and Technical Services

541

Subsector

Professional, Scientific, and Technical Services

5417

Industry Group

Scientific Research and Development Services

541715

National Industry (This Code)

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
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.

✓ Small Business Eligibility at a Glance

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.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Conducting research and experimental development in nanotechnology--are classified in U.S. Industry 541713, Research and Development in Nanotechnology;
Conducting research and experimental development in biotechnology (except nanobiotechnology)--are classified in U.S. Industry 541714, Research and Development in Biotechnology (except Nanobiotechnology);
Providing 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--are classified in Industry 541380, Testing Laboratories and Services;
Creating and developing industrial designs and specifications that optimize the use, value, and appearance of automobiles, furniture, and other products--are classified in Industry 541420, Industrial Design Services;
Providing veterinary testing services--are classified in Industry 541940, Veterinary Services;
Providing medical laboratory testing for humans--are classified in U.S. Industry 621511, Medical Laboratories;
Raising funds for health related research--are classified in U.S. Industry 813212, Voluntary Health Organizations; and
Laboratory animal production (e.g., guinea pigs, mice, rats)--are classified in Industry 112990, All Other Animal Production.

How to Use NAICS 541715 in SAM.gov

NAICS code 541715Research 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.

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Frequently Asked Questions

What is NAICS code 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

What is the SBA small business size standard for NAICS code 541715?

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.

How do I register NAICS code 541715 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.

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Related NAICS Codes

Other codes in Scientific Research and Development Services

Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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