NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

4,423 active contract opportunities

4,423

Active Opportunities

4,040

Posted Last 7 Days

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Top Industries

  • Engineering Services738
  • Other Computer Related Services671
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)585
  • All Other Professional, Scientific, and Technical Services344
  • Administrative Management and General Management Consulting Services251

Set-Aside Distribution

  • 2962
  • Small Business485
  • No Set Aside401
  • SDVOSB353
  • 8(a) Sole Source63

Top Locations

  • VA696
  • DC549
  • MD361
  • CO306
  • CA249

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

Ohio Medicaid Assessment Survey FY27 (OMAS)

Small Business Administration (SBA)
OH
NAICS 541910
Posted Apr 18, 2026
Due May 6, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation

Agencywide Condition Assessment Via Master Services Contract

Small Business Administration (SBA)
CA
NAICS 541350
Posted Apr 16, 2026
Due May 28, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Stampmill PFAS Mitigation - Design Services

Small Business Administration (SBA)
NV
NAICS 541330
Posted Apr 14, 2026
Due May 13, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Project Controls Services Via Master Services Contract

Small Business Administration (SBA)
CA
NAICS 541618
Posted Apr 13, 2026
Due Apr 21, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal)

SCADA Integration Services

Small Business Administration (SBA)
US
NAICS 541511
Posted Apr 6, 2026
Due May 12, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Property Management Assessment

Small Business Administration (SBA)
CA
NAICS 541611
Posted Apr 1, 2026
Due Apr 29, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

H312-Fire Extinguisher Inspection and Maintenance

VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 541350
Posted Mar 23, 2026
Veteran-Owned Small Business

0200 - PAP Customer Satisfaction Survey

LABOR, DEPARTMENT OF
WASHINGTON, DC
NAICS 541910
Posted Mar 23, 2026
Due Apr 23, 2026
No Set Aside

R426-WSNC Interpreter and Translation Services IDIQ

VETERANS AFFAIRS, DEPARTMENT OF
VANCOUVER, WA
NAICS 541930
Posted Mar 23, 2026
SDVOSB

Partnership for Analytics Research in Traffic Safety (PARTS) Continued Research

TRANSPORTATION, DEPARTMENT OF
CAMBRIDGE, MA
NAICS 541715
Posted Mar 23, 2026
No Set Aside

DA10- VLogic Facilities Management (FM) Software and Support (VA-26-00035133)

VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Mar 23, 2026
Veteran-Owned Small Business

H-LAKE 324894 Extend Public Launch Ramp at Echo Bay,

INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 541330
Posted Mar 23, 2026

DA10-508-26-3-2090-0141|DSS PCFU LIVE DATA CARDS|B+4| (VA-26-00044554)

VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 541519
Posted Mar 23, 2026
Small Business

IPF Staff Support LSJ 4

DEPT OF DEFENSE
SPRINGFIELD, VA
NAICS 541512
Posted Mar 23, 2026

J7 OCSIC Support Renewal

DEPT OF DEFENSE
TAMPA, FL
NAICS 541690
Posted Mar 23, 2026
No Set Aside

Bahrain Readiness Support

DEPT OF DEFENSE
NORFOLK, VA
NAICS 541330
Posted Mar 23, 2026

C1DA-508-22-104 | Upgrade PACS System - CPS Services

VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 541330
Posted Mar 23, 2026

N6600126R0002 - Cyberspace Science, Research, Engineering and Technology Integration Small Business Multiple Award Contract (MAC)

DEPT OF DEFENSE
SAN DIEGO, CA
NAICS 541330
Posted Mar 23, 2026
Due Apr 20, 2026
Small Business

Titan SV System Additional Procurement

DEPT OF DEFENSE
QUANTICO, VA
NAICS 541511
Posted Mar 23, 2026

AV and IT Installation and Maintenance

DEPT OF DEFENSE
NORFOLK, VA
NAICS 541519
Posted Mar 23, 2026
8(a) Sole Source
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