Professional, Scientific, and Technical Services

4,112 active contract opportunities

4,112

Active Opportunities

205

Posted Last 7 Days

30 days

Avg Response Window

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.

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NAICS 541310
Posted Dec 29, 2025
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SDVOSB
3 days left

R-Science and Technical Support Services (STSSC) For

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Space Based Infrared Radar Operations Support (SBIRS OS) Bridge

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NAICS 541519
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NAICS 541330
Posted Dec 24, 2025
Due Feb 6, 2026
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Justification for Exception to Fair Opportunity - 1332KP25F0044 - Financial Management Support Bridge Extension

COMMERCE, DEPARTMENT OF
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NAICS 541513
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D-SINGLE AWARD BPA FOR PROFESSIONAL IT SERVICES

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NAICS 541511
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NAICS 541380
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NAICS 541990
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No Set Aside

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NAICS 541330
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DEPT OF DEFENSE
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NAICS 541611
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NAICS 541715
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No Set Aside

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NAICS 541330
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NAICS 541690
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Software Licenses

HOMELAND SECURITY, DEPARTMENT OF
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NAICS 541519
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Technical Services and Programmatic Support Services & Programmatic Support for U.S. Columbia Class SSBN Common Missile Compartment (CMC) Program.

DEPT OF DEFENSE
WASHINGTON NAVY YARD, DC
NAICS 541330
Posted Dec 23, 2025

C1DA-Install Instantaneous Hot Water Heaters 630A4-22-432

VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541330
Posted Dec 23, 2025
Due Feb 3, 2026
SDVOSB
8 days left

Arbitration Services

COMMERCE, DEPARTMENT OF
NAICS 541199
Posted Dec 23, 2025
No Set Aside