Professional, Scientific, and Technical Services
5,671 active contract opportunities
5,671
Active Opportunities
5,206
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Engineering Services969
- Other Computer Related Services844
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)705
- All Other Professional, Scientific, and Technical Services467
- Administrative Management and General Management Consulting Services316
Set-Aside Distribution
- 3669
- Small Business650
- No Set Aside642
- SDVOSB449
- 8(a) Sole Source64
Top Locations
- VA846
- DC720
- MD494
- CO438
- CA317
About NAICS541
The North American Industry Classification System (NAICS) code 541 covers professional, scientific, and technical services. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
Related Industries
Notice of Sole Source Modification
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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NAICS 541519
Posted Jul 20, 2026
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NAICS 541519
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VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541511
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NAICS 541620
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Digital Communications Support for a six(6) month period
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Bethesda, MD
NAICS 541512
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C1DA-Renovate PACU and Cath Lab 541-24-101
VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541310
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VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541519
Posted Jul 20, 2026
SDVOSBProficiency Testing Contract
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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NAICS 541611
Posted Jul 20, 2026
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N0016426SNB95 Field Service Representatives
DEPT OF DEFENSE
CRANE, IN
NAICS 541330
Posted Jul 20, 2026
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No Set AsideHigh-density single nucleotide polymorphisms (SNP) marker panel
AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 541380
Posted Jul 20, 2026
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VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541620
Posted Jul 20, 2026
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SDVOSBMulti-Spectral Sensing Technologies Research and Development (MUSTER)
DEPT OF DEFENSE
WRIGHT PATTERSON AFB, OH
NAICS 541715
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C1DA-NCO 17 AE Short Selection Database FY24 - FY27
VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541310
Posted Jul 20, 2026
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SDVOSBEngineering Support Services of the HH-60W Helicopter Platforms
DEPT OF DEFENSE
ROBINS AFB, GA
NAICS 541330
Posted Jul 20, 2026
Due Aug 20, 2026
No Set AsideBusiness Administrative and Support Integrated Services (BASIS)
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541611
Posted Jul 20, 2026
Due Aug 3, 2026
Execution of FAR Clause 52.217-8, Option to Extend Services
JUSTICE, DEPARTMENT OF
LANDOVER, MD
NAICS 541611
Posted Jul 20, 2026
USACE Enterprise-Wide Trident Services
DEPT OF DEFENSE
WILMINGTON, NC
NAICS 541330
Posted Jul 20, 2026
Due Aug 13, 2026
Air Force Occupational Safety/Health Support and Traffic Safety (AFOSH)
DEPT OF DEFENSE
KIRTLAND AFB, NM
NAICS 541611
Posted Jul 20, 2026
Due Aug 7, 2026
8(a) CompetedNATO Business Opportunity: Capability Development Management Support (CDMS)
COMMERCE, DEPARTMENT OF
NAICS 541990
Posted Jul 20, 2026
Due Sep 8, 2026
Trellix DoD ESS Endpoint Security Suite
DEPT OF DEFENSE
PORT HUENEME, CA
NAICS 541519
Posted Jul 20, 2026
