NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

4,112 active contract opportunities

4,112

Active Opportunities

205

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services700
  • 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

  • 2698
  • Small Business466
  • No Set Aside437
  • SDVOSB320
  • 8(a) Sole Source57

Top Locations

  • VA639
  • DC514
  • 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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NAICS 541519
Posted Jan 14, 2026
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No Set Aside
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NAICS 541519
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Clinical Research Operations Core

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NAICS 541330
Posted Jan 14, 2026
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R-New Contract 89303026DGC000008

ENERGY, DEPARTMENT OF
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NAICS 541110
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NAICS 541715
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NAICS 541380
Posted Jan 14, 2026
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Small Business
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NAICS 54171
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NAICS 541110
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DEPT OF DEFENSE
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NAICS 541990
Posted Jan 13, 2026
Due Feb 13, 2026
No Set Aside
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AGRICULTURE, DEPARTMENT OF
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NAICS 541990
Posted Jan 13, 2026
Due Jan 30, 2026
No Set Aside
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DA01-VA-26-00029907 CORP: CCSS 1.0 extension of the bridge and Entra ID Migration

VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541512
Posted Jan 13, 2026
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DEPT OF DEFENSE
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NAICS 541690
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DEPT OF DEFENSE
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Due Jan 28, 2026
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Ships Modernization and Sustainment Program Management Support- SEAPORT MAC HOLDERS

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PHILADELPHIA, PA
NAICS 541330
Posted Jan 13, 2026
Due Jan 28, 2026
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Elevator Inspections - Cleveland, OH Louis Stokes VA Medical Center

VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 541350
Posted Jan 13, 2026
Due Jan 27, 2026
No Set Aside
1 day left

Intent to Sole Source, CAFDEX FHP and WSS Support Services

DEPT OF DEFENSE
NAICS 541519
Posted Jan 13, 2026
Due Jan 28, 2026
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2 days left

Ships Modernization and Sustainment Program Waterfront Support- SEAPORT MAC HOLDERS

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NAICS 541330
Posted Jan 13, 2026
Due Jan 28, 2026
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DoS INL Worldwide TPC BPA PR15796090

STATE, DEPARTMENT OF
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NAICS 541611
Posted Jan 13, 2026
Due Feb 2, 2026
Small Business
7 days left
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