NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

7,143 active contract opportunities

7,143

Active Opportunities

6,335

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services1205
  • Other Computer Related Services1148
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)807
  • All Other Professional, Scientific, and Technical Services578
  • Administrative Management and General Management Consulting Services427

Set-Aside Distribution

  • 4688
  • No Set Aside772
  • Small Business566
  • SDVOSB561
  • Small Business Set Aside - Total241

Top Locations

  • VA1124
  • DC902
  • CO634
  • MD633
  • CA387

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

Business Impact Analysis/Disaster Recovery Plan/Business Continuity Plan Services

Small Business Administration (SBA)
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NAICS 541611
Posted Oct 5, 2026
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VETERANS AFFAIRS, DEPARTMENT OF
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USHMM-RFI-2027-MSSP

UNITED STATES HOLOCAUST MEMORIAL MUSEUM
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NAICS 541512
Posted Oct 3, 2026
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Community Health Immunization Resources

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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Pre-solicitation Notice: On-Ramp for the Department of Defense OMNIBUS IV Multiple-Award Contract

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NAICS 541714
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NAICS 541714
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VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541519
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NAICS 541690
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NAICS 541310
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DEPT OF DEFENSE
JBSA FT SAM HOUSTON, TX
NAICS 541380
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Restorative and health-Enhancing Sleep Time (REST)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Washington, DC
NAICS 541715
Posted Oct 2, 2026
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19AQMM26F1457 Justification for Exception to Fair Opportunity

STATE, DEPARTMENT OF
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NAICS 541519
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19AQMM26F1637 Sole Source Justification under Federal Supply Schedule

STATE, DEPARTMENT OF
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19AQMM26F1494 Justification for Exception to Fair Opportunity

STATE, DEPARTMENT OF
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19AQMM26F7243 Limited Source Justification

STATE, DEPARTMENT OF
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Health Economics Analysis Services

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
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NAICS 541690
Posted Oct 2, 2026
Due Oct 9, 2026
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DARPA Modernization Project: Request for Qualifications for A&E Services

DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541310
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