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
DVBD IDIQ-Policy and Admin Support Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541990
Posted May 27, 2026
8(a) CompetedJustification-Maintenance of a Technical Advisory Group for United States Representation
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Rockville, MD
NAICS 541990
Posted May 27, 2026
R-Science and Technical Support Services IDIQ Contract Mid-Continent
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted May 27, 2026
B-STUDENT CONTRACT - IGOR FREEMAN
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted May 22, 2026
B-STUDENT CONTRACT - NICHOLAS WELD
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted May 22, 2026
R-Tribal Secretarial Election Support Services for Winnebago Agency
INTERIOR, DEPARTMENT OF THE
ABERDEEN, SD
NAICS 541990
Posted May 15, 2026
Bridge Contract for Contract Administration and Closeout Support Services
NUCLEAR REGULATORY COMMISSION
ROCKVILLE, MD
NAICS 541990
Posted May 12, 2026
Golden Dome for America Commercial Solutions Opening
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541990
Posted Apr 2, 2026
Due Apr 2, 2031
No Set AsideQ301-Diagnostic Medical Physicist Services RLRVAMC
VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 541990
Posted Mar 30, 2026
SDVOSBH258-Medical Physicist at Clement J. Zablocki VAMC, Oscar G. Johnson VAMC, Milo C. Huempfner CBOC, and John H. Bradley CBOC
VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 541990
Posted Mar 27, 2026
SDVOSBHand-Pulling Eurasian Watermilfoil, North Hartland Lake, North Hartland, VT and North Springfield Lake, Springfield, VT
DEPT OF DEFENSE
CONCORD, MA
NAICS 541990
Posted Mar 23, 2026
Small BusinessB-STUDENT SERVICE CONTRACT - JACK YODZEVICIS
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Mar 20, 2026
BTO SETA Support Services
DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541990
Posted Mar 20, 2026
No Set AsideSAMHSA Behavioral Health Services Information System (BHSIS) Bridge Contract
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ROCKVILLE, MD
NAICS 541990
Posted Mar 19, 2026
H258-Medical Physicist for William S. Middleton Memorial Veterans Hospital
VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 541990
Posted Mar 18, 2026
SDVOSBArms Control Subject Matter Expert and Training Support Services
DEPT OF DEFENSE
FORT BELVOIR, VA
NAICS 541990
Posted Mar 18, 2026
R-LAUREN KENYON NEW SSC
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Mar 18, 2026
B-STUDENT CONTRACT - SARAH VAN ROOYEN
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Mar 17, 2026
SEDRIC Ontology Modernization Services TO5
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541990
Posted Mar 17, 2026
Small BusinessB-STUDENT CONTRACT - ELLIANA PROW
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Mar 17, 2026