NAICS 541in54:Professional, Scientific, and Technical Services

Professional, Scientific, and Technical Services

4,368 active contract opportunities

4,368

Active Opportunities

150

Posted Last 7 Days

30 days

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Top Industries

  • Engineering Services771
  • Other Computer Related Services667
  • Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)593
  • All Other Professional, Scientific, and Technical Services325
  • Administrative Management and General Management Consulting Services224

Set-Aside Distribution

  • 2837
  • Small Business494
  • No Set Aside484
  • SDVOSB348
  • 8(a) Sole Source60

Top Locations

  • VA668
  • DC536
  • MD398
  • CO250
  • CA244

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

H958-Medical Physics A-Bear NEW Base Plus Four

VETERANS AFFAIRS, DEPARTMENT OF
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NAICS 541690
Posted Feb 16, 2026
Due Feb 27, 2026
SDVOSB
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Revenue Claims Management Cycle Services

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NAICS 541519
Posted Feb 16, 2026
Due Feb 23, 2026
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Justification and Approval for Other Than Full and Open Competition

DEPT OF DEFENSE
ARNOLD AFB, TN
NAICS 541310
Posted Feb 16, 2026

NATO Business Opportunity: COTS IT Hardware and Associated Support Server and Storage Equipment Indefinite Delivery, Indefinite Quantity (IDIQ) Framework

COMMERCE, DEPARTMENT OF
NAICS 541519
Posted Feb 16, 2026
Due Apr 15, 2026
57 days left

NATO Business Opportunity: eAirC2 Data Platform, Governance, and Usage

COMMERCE, DEPARTMENT OF
NAICS 541519
Posted Feb 16, 2026
Due Mar 12, 2026
23 days left

R-National Earthquake Information Center (NEIC) Developer and Release Manager

INTERIOR, DEPARTMENT OF THE
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NAICS 541990
Posted Feb 14, 2026

Effect of Radiation Quality and Galactic Cosmic Radiation Simulation on the Risk of Carcinogenesis in an Outbred Mouse Model (HS/Npt)

NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
HOUSTON, TX
NAICS 541715
Posted Feb 13, 2026
Due Mar 13, 2026
24 days left

R617-Medical Document Scanning Base 4 option years FSS Ebuy RFQ

VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 541611
Posted Feb 13, 2026
SDVOSB

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STATE, DEPARTMENT OF
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NAICS 541330
Posted Feb 13, 2026
Due Mar 13, 2026
24 days left

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DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541714
Posted Feb 13, 2026
Due Mar 13, 2026
24 days left

AFSI MATOC ATG-R

DEPT OF DEFENSE
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NAICS 541330
Posted Feb 13, 2026
Due Mar 13, 2026
No Set Aside
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ENERGY, DEPARTMENT OF
LEXINGTON, KY
NAICS 541519
Posted Feb 13, 2026

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BALTIMORE, MD
NAICS 541330
Posted Feb 13, 2026
Due Feb 24, 2026
No Set Aside
7 days left

USDA ServiceNow ELA

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NAICS 541519
Posted Feb 13, 2026
Due Feb 23, 2026
No Set Aside
6 days left

PHIS Predictive Analytics

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 541511
Posted Feb 13, 2026
Due Mar 14, 2026
No Set Aside
25 days left

Synopsis Indefinite Delivery Contract - For Topographic and Hydrographic Surveying Services for the Norfolk District, U.S. Army Corps of Engineers

DEPT OF DEFENSE
NORFOLK, VA
NAICS 541370
Posted Feb 13, 2026
Due Mar 2, 2026
Small Business
13 days left

MTNG Architect-Engineer (A-E) Single Award Task Order Contract (SATOC)

DEPT OF DEFENSE
FORT HARRISON, MT
NAICS 541330
Posted Feb 13, 2026
Due Mar 16, 2026
Small Business
27 days left

CASTNET VII

ENVIRONMENTAL PROTECTION AGENCY
Washington, DC
NAICS 541620
Posted Feb 13, 2026
Due Mar 23, 2026
34 days left

OCONUS Integrated Electronic Security Systems (IESS) Sustainment Support

DEPT OF DEFENSE
NORTH CHARLESTON, SC
NAICS 541330
Posted Feb 13, 2026

Advance Notice: N6660426R3102: NUWCDIVNPT Code 107 PAS Services

DEPT OF DEFENSE
NEWPORT, RI
NAICS 541330
Posted Feb 13, 2026
Due Mar 2, 2026
SDVOSB
13 days left
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