NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

4,128 active contract opportunities

4,128

Active Opportunities

206

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services704
  • Other Computer Related Services621
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)562
  • All Other Professional, Scientific, and Technical Services309
  • Administrative Management and General Management Consulting Services216

Set-Aside Distribution

  • 2704
  • Small Business469
  • No Set Aside443
  • SDVOSB320
  • 8(a) Sole Source57

Top Locations

  • VA641
  • DC518
  • MD371
  • CA231
  • CO219

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.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

National Security Cyber Division, Cryptography Branch, Communication Security (COMSEC)

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NAICS 541511
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2025 Army Geospatial Center (AGC) Broad Agency Announcement (BAA)

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R426-VHA HF Radio Network Design and Assessment

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Behavioral Health Lab (BHL) Software Maintenance and Technical Support J&A

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NAICS 541511
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Clinical Proof of Concept of OVX836, a single-shot broadly protective Influenza A vaccine for immediate protection against emerging pandemic strains

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NAICS 541714
Posted Oct 14, 2025
No Set Aside

Development of CD388 as a long-lasting prophylactic anti-viral option for protection against the health impacts caused by influenza

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NAICS 541714
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No Set Aside

USAID Security Investigations Database (SID)

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NAICS 541513
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RACER Software Sustainment

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Remedial Action Cost Engineering and Requirements (RACER) Software 11.12

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Investigative Case Management (ICM) Immigration OS Continued Support

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Network Contracting Office 4 Acquisition Support Services

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NAICS 541714
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Ancora Horizon Camera

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NAICS 541519
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H146-Legionella Water Testing Services

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RIDGELAND, MS
NAICS 541380
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SDVOSB

J065-VA National Telaradiology Program Picture Archive and Communiciation System

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EATONTOWN, NJ
NAICS 541511
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Logistical Support Service for CDC Office

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NAICS 541614
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No Set Aside

Radar Systems Test and Analysis Contract (RSTAC) Award Announcement

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Small Business

Ambient Scribe-Abridge Modification to Increase Scope

VETERANS AFFAIRS, DEPARTMENT OF
FREDERICKSBURG, VA
NAICS 541715
Posted Oct 9, 2025

DA01-Connected Care Integrated Network (CCIN)

VETERANS AFFAIRS, DEPARTMENT OF
FREDERICKSBURG, VA
NAICS 541512
Posted Oct 9, 2025

Q702-Cookeville Initial Outfitting Transition and Activation Services

VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541614
Posted Oct 9, 2025
SDVOSB
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