NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

4,115 active contract opportunities

4,115

Active Opportunities

205

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services701
  • Other Computer Related Services617
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)559
  • All Other Professional, Scientific, and Technical Services308
  • Administrative Management and General Management Consulting Services215

Set-Aside Distribution

  • 2700
  • Small Business467
  • No Set Aside437
  • SDVOSB320
  • 8(a) Sole Source57

Top Locations

  • VA640
  • DC515
  • MD370
  • 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

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Posted Jan 21, 2026
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NAICS 541380
Posted Jan 21, 2026
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NAICS 541370
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H945-Testing, Inspection & Certification Service - Base ($0.00) [605] | POP 02/01/2026-01/31/2027

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NAICS 541380
Posted Jan 21, 2026
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ENERGY, DEPARTMENT OF
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Posted Jan 20, 2026
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NAICS 541930
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JUSTICE, DEPARTMENT OF
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NAICS 541715
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Ultrasonic Testing and Report for Dry Dock Caisson

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BELTSVILLE, MD
NAICS 541930
Posted Jan 20, 2026
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VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Jan 20, 2026
SDVOSB

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HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BEMIDJI, MN
NAICS 541219
Posted Jan 20, 2026
Due Feb 18, 2026
IEE
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INTERIOR, DEPARTMENT OF THE
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