All Other Professional, Scientific, and Technical Services
467 active contract opportunities
467
Active Opportunities
440
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- All Other Professional, Scientific, and Technical Services467
Set-Aside Distribution
- 323
- Small Business62
- No Set Aside44
- SDVOSB24
- 8(a) Competed6
Top Locations
- CO131
- DC49
- VA46
- MD40
- TX32
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
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 AsideEvaluate Fire Suppression Bldg. 126 at the Watervliet Arsenal, Watervliet , NY
DEPT OF DEFENSE
WATERVLIET, NY
NAICS 541990
Posted Dec 11, 2025
Due Dec 23, 2026
Small BusinessF-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 BusinessHUMAN MACHINE INTERFACE DESIGN SUPPORT SERVICES
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Nov 24, 2025
TATF Redwood Tank Inspection
DEPT OF DEFENSE
KEYPORT, WA
NAICS 541990
Posted Nov 18, 2025
Small BusinessB77H DDG51 Stack Emissions Testing
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 541990
Posted Nov 7, 2025
8(a) Sole SourceJ066-Roche 6800 Analyzer Removal Service Emergency Sole Soure Notification
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541990
Posted Nov 6, 2025
NCATS Research Services Core (RSC) Limited Specialized Scientific Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Bethesda, MD
NAICS 541990
Posted Oct 31, 2025
No Set AsideH342-PMI Svc, Fire Extinguishers - Base Plus Four (4) Option Years Base PoP: 11/1/25 - 10/31/26
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541990
Posted Oct 16, 2025
SDVOSBJustification for Exception to Fair Opportunity (JEFO) for Management and Governance Directorate (MGD) Financial Analytics, Governance, and Acquisition Support Services
HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Oct 15, 2025
Salary Survey Data (VA-25-00107594) POP: 9/30/25-9/30/26 Strawbridge/
VETERANS AFFAIRS, DEPARTMENT OF
INDEPENDENCE, OH
NAICS 541990
Posted Oct 3, 2025
No Set Aside
