NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

5,469 active contract opportunities

5,469

Active Opportunities

4,990

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services939
  • Other Computer Related Services797
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)702
  • All Other Professional, Scientific, and Technical Services442
  • Administrative Management and General Management Consulting Services298

Set-Aside Distribution

  • 3456
  • No Set Aside668
  • Small Business644
  • SDVOSB443
  • 8(a) Sole Source65

Top Locations

  • VA822
  • DC684
  • MD494
  • CO391
  • CA300

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

Interpretation and Translation Services

Small Business Administration (SBA)
CA
NAICS 541930
Posted Jun 21, 2026
Due Jul 13, 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)

Notice of Intent to Sole Source services to maintain regular access to Advanced Photon Source (APS) - SER-CAT beam lines

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541380
Posted Jun 20, 2026
Due Jul 6, 2026
No Set Aside

Marketplace for Acquisition of Professional Services (MAPS)

DEPT OF DEFENSE
ABERDEEN PROVING GROU, MD
NAICS 541330
Posted Jun 19, 2026
Due Jun 22, 2026

TECHNOLOGY LICENSING OPPORTUNITY: Heat Pipe Reactor Fire Mitigation and Suppression System

ENERGY, DEPARTMENT OF
Columbus, OH
NAICS 541715
Posted Jun 19, 2026
Due Dec 20, 2026
No Set Aside

Request for Information - Construction and Facilities Engineering Records Management Program Administrative and CAD Support Services

ENERGY, DEPARTMENT OF
Lemont, IL
NAICS 541990
Posted Jun 19, 2026
Due Jul 3, 2026
No Set Aside

Selective Service System Website Modernization

SELECTIVE SERVICE SYSTEM
ARLINGTON, VA
NAICS 541519
Posted Jun 19, 2026
Due Jun 30, 2026
Small Business

Surveillance of severe influenza-associated encephalopathy and related complications in US children

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541690
Posted Jun 18, 2026
Due Jul 2, 2026
No Set Aside

H365-NEW-Medical Physics PM Services | Base year 1 Option Year

VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 541690
Posted Jun 18, 2026
Due Jul 8, 2026
SDVOSB

PM LOG-FIN: Ammunition, Logistics, Finance, and Personnel Modernization Call for Solutions (LOGFIN26?CFS?001)

DEPT OF DEFENSE
ROCK ISLAND, IL
NAICS 541512
Posted Jun 18, 2026
Due Jun 30, 2026
No Set Aside

Real Property Support Services III Solicitation

DEPT OF DEFENSE
REDSTONE ARSENAL, AL
NAICS 541990
Posted Jun 18, 2026
Due Jul 8, 2026

W912DY26RA030 AMENDMENT 1 DRAFT SOLICITATION FOR UTILITY MONITORING AND CONTROL SYSTEMS VI

DEPT OF DEFENSE
REDSTONE ARSENAL, AL
NAICS 541512
Posted Jun 18, 2026
Due Jul 25, 2026

Real Property Support Services III Solicitation

DEPT OF DEFENSE
REDSTONE ARSENAL, AL
NAICS 541990
Posted Jun 18, 2026
Due Jul 8, 2026
8(a) Competed

B-Sources Sought - Geochronology

INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541380
Posted Jun 18, 2026
Due Jun 26, 2026

Mexican Criminal Courts Telepresence

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541519
Posted Jun 18, 2026
Due Jul 10, 2026
Small Business

26-SIMACQ-D40-0005 Red Hat Directory Server and Enterprise Linux Extended Life Cycle Support

DEPT OF DEFENSE
PORT HUENEME, CA
NAICS 541519
Posted Jun 18, 2026
No Set Aside

Hearing Enhancement through ARtificially Intelligent NeurotechnoloGy (HEARING)

HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Washington, DC
NAICS 541715
Posted Jun 18, 2026
Due Aug 14, 2026
No Set Aside

R499-MSPO MSPV Support Services

VETERANS AFFAIRS, DEPARTMENT OF
FREDERICK, MD
NAICS 541611
Posted Jun 18, 2026
Due Jun 24, 2026

Desk side, In Person, On site, Full time Sign Language Interpreting, transliteration and sight translation services

DEPT OF DEFENSE
BETHESDA, MD
NAICS 541930
Posted Jun 18, 2026
Due Jul 2, 2026
Small Business

Amendment to Defense Travel System (DTS) Administration and Technical Support

DEPT OF DEFENSE
FORT BRAGG, NC
NAICS 541611
Posted Jun 18, 2026
Due Jul 3, 2026
8(a) Competed

N4008024R7460: NAVFAC Washington IDIQ AE Gen. Admin Medium to Large Projects

DEPT OF DEFENSE
WASHINGTON NAVY YARD, DC
NAICS 541330
Posted Jun 18, 2026
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