Professional, Scientific, and Technical Services

7,085 active contract opportunities

7,085

Active Opportunities

6,296

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Engineering Services1196
  • Other Computer Related Services1131
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)810
  • All Other Professional, Scientific, and Technical Services575
  • Administrative Management and General Management Consulting Services423

Set-Aside Distribution

  • 4652
  • No Set Aside766
  • Small Business566
  • SDVOSB550
  • Small Business Set Aside - Total240

Top Locations

  • VA1123
  • DC882
  • CO633
  • MD631
  • CA382

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

Cotton Attribution IRMS

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Chafee Strengthening Outcomes for Transition to Adulthood II (Chafee SOTA II)

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Justification and Approval

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Annual development and service to cover the entire CNST NanoFab IT infrastructure

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INTERIOR, DEPARTMENT OF THE
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NAICS 541611
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Award Notice - Cellebrite Products

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NAICS 541519
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Persistent Cyber Training Environment Support Services

DEPT OF DEFENSE
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WOSB

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INTERIOR, DEPARTMENT OF THE
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NAICS 541620
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Award Notice to BahFed Corp. for GETAC Brand Ruggedized Computer

DEPT OF DEFENSE
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Power Quality and EMI Testing USA 50 centrifugal purifier

DEPT OF DEFENSE
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INTERIOR, DEPARTMENT OF THE
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DEPT OF DEFENSE
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R-Autonomous Underwater Vehicle (AUV) Operation and

COMMERCE, DEPARTMENT OF
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R-Analysis of Autonomous Underwater Vehicle (AUV) In

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NAICS 541990
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INTERIOR, DEPARTMENT OF THE
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DEPT OF DEFENSE
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NAICS 541715
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H346-Legionella Water Testing

VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541620
Posted Sep 21, 2026
Due Oct 13, 2026
SDVOSB

C1NZ-AE Install Temporary Boiler Connections at Dayton VAMC Project No. 552-26-101

VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 541330
Posted Sep 21, 2026
SDVOSB