All Other Professional, Scientific, and Technical Services
575 active contract opportunities
575
Active Opportunities
507
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- All Other Professional, Scientific, and Technical Services575
Set-Aside Distribution
- 416
- Small Business53
- No Set Aside40
- SDVOSB30
- Small Business Set Aside - Total12
Top Locations
- CO173
- VA61
- DC57
- 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
QAO ISO Audit
DEPT OF DEFENSE
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NAICS 541990
Posted Dec 22, 2025
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INTERIOR, DEPARTMENT OF THE
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NAICS 541990
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R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
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NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
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Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
R-Science and Technical Support Services for National Water Quality Laboratory (NWQL) in Denver and Boulder, Colorado.
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Dec 18, 2025
NCATS Research Services Core (RSC) Limited Specialized Scientific Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Bethesda, MD
NAICS 541990
Posted Dec 15, 2025
No Set AsideF-OR&R Chemical Hazard Response
COMMERCE, DEPARTMENT OF
NORFOLK, VA
NAICS 541990
Posted Dec 10, 2025
Defined Contribution Research Subscription
FEDERAL RETIREMENT THRIFT INVESTMENT BOARD
Washington, DC
NAICS 541990
Posted Dec 4, 2025
Futures and Concepts Center (FCC) Sustainment Capabilities and Integration Directorate (SCDID) Army Modernization Sustainment Support Services
DEPT OF DEFENSE
FORT LEE, VA
NAICS 541990
Posted Dec 4, 2025
8(a) CompetedDTRA CWMD Security Cooperation Engagement Program IDIQ
DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 541990
Posted Dec 3, 2025
SQF FW Water Testing & Sampling Multiple-Year Contract
AGRICULTURE, DEPARTMENT OF
Albuquerque, NM
NAICS 541990
Posted Nov 26, 2025
Small BusinessMARCENT OAMS Contract Bridge
DEPT OF DEFENSE
QUANTICO, VA
NAICS 541990
Posted Nov 26, 2025
BGHNF SNF Heritage IDIQ
AGRICULTURE, DEPARTMENT OF
CODY, WY
NAICS 541990
Posted Nov 25, 2025
Small BusinessBGHNF SNF Heritage IDIQ
AGRICULTURE, DEPARTMENT OF
CODY, WY
NAICS 541990
Posted Nov 25, 2025
Small BusinessBGHNF SNF Heritage IDIQ
AGRICULTURE, DEPARTMENT OF
CODY, WY
NAICS 541990
Posted Nov 25, 2025
Small Business
