All Other Professional, Scientific, and Technical Services
576 active contract opportunities
576
Active Opportunities
507
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- All Other Professional, Scientific, and Technical Services576
Set-Aside Distribution
- 416
- Small Business53
- No Set Aside41
- SDVOSB30
- Small Business Set Aside - Total12
Top Locations
- CO173
- VA61
- DC58
- MD53
- TX34
About NAICS541990
The North American Industry Classification System (NAICS) code 541990 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.
Related Industries
SIGMA EX RFI
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Sep 10, 2026
Due Oct 2, 2026
No Set AsideIndependent 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 - PartialNavigation 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 - PartialNavigation 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 - PartialNavigation 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 - PartialNavigation 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 - PartialNavigation 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 - PartialD-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 AsideR-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
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
R-Digital Services, 2024-25 Innovations including Dy
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 1, 2026
R425 National VHA Biomedical Engineering Technical Professional Support Services (BETPSS) IDIQ
VETERANS AFFAIRS, DEPARTMENT OF
FREDERICK, MD
NAICS 541990
Posted Sep 1, 2026
SDVOSB
