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.

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Network Extension for User Continuity and Sustainability (NEXUS) Ka-Band Backward-Compatible Relay Broad Agency Announcement (BAA) NextSTEP-3 Appendix E - Final Solicitation

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NAICS 541519
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Invitation to Bid for Survey Services

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Local Legal Service - U.S. Embassy Jerusalem

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NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
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NAICS 541990
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DEPT OF DEFENSE
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NAICS 541330
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No Set Aside

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VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541310
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SDVOSB

COSMOS Bridge

DEPT OF DEFENSE
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NAICS 541715
Posted Jul 15, 2026
No Set Aside

F-ND TEWAUKON NWR TRIBAL WATERLINE MONITORING

INTERIOR, DEPARTMENT OF THE
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NAICS 541620
Posted Jul 15, 2026

Justification for Exception to Fair Opportunity (JEFO) for Amazon Web Services Cloud Hosting and Marketplace Services

HOMELAND SECURITY, DEPARTMENT OF
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NAICS 541519
Posted Jul 15, 2026

INTEGRATED LIBRARY SYSTEM

ADMINISTRATIVE OFFICE OF THE US COURTS
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NAICS 541512
Posted Jul 15, 2026
Due Aug 17, 2026
No Set Aside