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
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SBIRS OS Exception to Fair Opportunity
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NAICS 541990
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Professional Services to Support & Maintain Program Operational Efficiencies
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NAICS 541990
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Radiation Safety Officer Services
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NAICS 541990
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Small BusinessC-BLDG 40 & 251 - STRUCTURAL ASSESSMENT
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NAICS 541990
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Technical Information and Program Support (TIPS)
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NAICS 541990
Posted May 29, 2026
Independent Validation and Verification (IV&V) Services for the REACT Program
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NAICS 541990
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No Set AsideB-STUDENT CONTRACT - ANDREW DOHAN KIM
INTERIOR, DEPARTMENT OF THE
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NAICS 541990
Posted May 29, 2026
B-SSC KATHERINE BRANCH
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NAICS 541990
Posted May 29, 2026
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 May 29, 2026
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 May 29, 2026
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 May 29, 2026
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 May 29, 2026
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 May 29, 2026
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 May 29, 2026
