All Other Professional, Scientific, and Technical Services

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Top Industries

  • All Other Professional, Scientific, and Technical Services576
  • All Other Professional, Scientific, and Technical Services5

Set-Aside Distribution

  • 418
  • Small Business54
  • No Set Aside42
  • SDVOSB30
  • Small Business Set Aside - Total12

Top Locations

  • CO173
  • DC61
  • VA61
  • MD53
  • TX34

About NAICS54199

The North American Industry Classification System (NAICS) code 54199 covers all other 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.

Technical Support Services for the FHWA Office of Safety and Operations Research & Development

TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Sep 11, 2026
Due Oct 9, 2026

SIGMA EX RFI

DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Sep 10, 2026
Due Oct 2, 2026
No Set Aside

Independent External Peer Reviews for the US Army Corps of Engineers

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 8, 2026

R-Science and Technical Support Services (STSSC) For Core Science Systems (CSS) and Rocky Mountain Region (RMR) - Add Additional Labor Categories and change key personnel.

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 3, 2026

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

Navigation and Civil Works Data Analysis and System Support Professional Services

DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541990
Posted Sep 3, 2026
Small Business Set Aside - Partial

D-Intent to Award

INTERIOR, DEPARTMENT OF THE
RESTON, VA
NAICS 541990
Posted Sep 3, 2026

Multi X Office (MXO01) Operations Support Services

DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541990
Posted Sep 3, 2026
No Set Aside

R-Science and Technical Support Services IDIQ Contract (STSSC)-NGTOC -

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 2, 2026

CENTCOM Public Affairs Support Services Bridge

DEPT OF DEFENSE
TAMPA, FL
NAICS 541990
Posted Sep 2, 2026

R-Fish Nutrition Scientist Contract for NWFSC

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 1, 2026

B-Study Fleet Admin Support

COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Sep 1, 2026

MOZAMBIQUE - Acquisition, Installation and Commissioning of Basic Technological Infrastructure

MILLENNIUM CHALLENGE CORPORATION
Washington, DC
NAICS 54199
Posted Sep 1, 2026
Due Oct 9, 2026

Justification for Other than Full and Open Competition (JOFOC) for the U.S. Booth Hire at the Bengaluru Space Expo-BSX

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Sep 1, 2026

B-J. NOWACEK

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 1, 2026

B-C. QUINN - NEW SC

INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 1, 2026