All Other Professional, Scientific, and Technical Services
531 active contract opportunities
531
Active Opportunities
438
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- All Other Professional, Scientific, and Technical Services531
Set-Aside Distribution
- 367
- Small Business54
- No Set Aside42
- SDVOSB26
- Small Business Set Aside - Total21
Top Locations
- CO157
- VA50
- DC49
- MD42
- TX33
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-NEW SSC CHRISTINA BIAGETTI CV58LHNXFCZ3
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Aug 20, 2026
Record Retrieval Services
JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Aug 20, 2026
Due Aug 28, 2026
Small Business Set Aside - TotalNotice of Intent to Sole Source - Defensive Counterintelligence & Insider Threat Program Support Services - PHK ENTERPRISES, LLC
TRANSPORTATION, DEPARTMENT OF
NAICS 541990
Posted Aug 20, 2026
Due Aug 31, 2026
No Set AsidePublic Affairs and Outreach Service Support
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541990
Posted Aug 20, 2026
Due Aug 28, 2026
Underground Storage Tank Inspection & Repair IDIQ
DEPT OF DEFENSE
EDWARDS AFB, CA
NAICS 541990
Posted Aug 20, 2026
Due Sep 9, 2026
Small Business Set Aside - TotalUSAC RFP: Lifeline Programs National Verifier (NV) O&M Support
FEDERAL COMMUNICATIONS COMMISSION
WASHINGTON, DC
NAICS 541990
Posted Aug 20, 2026
Due Sep 7, 2026
Scientific Research on FVCOM Modeling of Lake Erie
COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541990
Posted Aug 20, 2026
Due Aug 27, 2026
No Set AsideW50SLF26QA014 - Optimizing the Human Weapon System
DEPT OF DEFENSE
KAPOLEI, HI
NAICS 541990
Posted Aug 20, 2026
Due Sep 11, 2026
WOSBCultural Resource Identification Services for Upper Missouri River Basin Plains Snowpack and Soil Moisture Monitoring Network Project in Montana
DEPT OF DEFENSE
OMAHA, NE
NAICS 541990
Posted Aug 20, 2026
Due Aug 25, 2026
Small Business Set Aside - TotalRefining seasonal cetacean density models
COMMERCE, DEPARTMENT OF
KANSAS CITY, MO
NAICS 541990
Posted Aug 19, 2026
Due Sep 1, 2026
Small Business Set Aside - TotalR-26-TAR400-BW-SC-DEN-Y1
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Aug 19, 2026
R-NEW SSC - ISEAH SAYEED HASAN 26-CGS403-IH-SC-DEN-Y1
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Aug 19, 2026
F-LOWER PAYETTE STREAM GAGING
INTERIOR, DEPARTMENT OF THE
GRAND COULEE, WA
NAICS 541990
Posted Aug 19, 2026
DD FIRE SUPPRESSION BOTTLE BPA
INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 541990
Posted Aug 19, 2026
Due Aug 26, 2026
Small Business Set Aside - TotalJ-GC26 - MAINTENANCE OF JANUS FIRE
INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 541990
Posted Aug 19, 2026
Event Data Recorders
STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541990
Posted Aug 19, 2026
Due Sep 9, 2026
Small Business Set Aside - TotalH242-FY26 FIRE EXTINGUISHER TESTING - Battle Creek MI
VETERANS AFFAIRS, DEPARTMENT OF
DAYTON, OH
NAICS 541990
Posted Aug 19, 2026
Due Sep 3, 2026
SDVOSBAward Notice - Contracts Disputes Act Claims Analysis Support
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ROCKVILLE, MD
NAICS 541990
Posted Aug 19, 2026
Amendment 0002/RFQ CAFC26-0008 Tactile Project. Exhibition Design, Fabrication, and Installation Services for Interactive Educational Exhibits
ADMINISTRATIVE OFFICE OF THE US COURTS
WASHINGTON, DC
NAICS 541990
Posted Aug 19, 2026
Due Aug 26, 2026
Amendment 0002/RFQ CAFC26-0009. Bridge to the Past Project - Digital Exhibit Design and Audio-Visual Integration Services
ADMINISTRATIVE OFFICE OF THE US COURTS
WASHINGTON, DC
NAICS 541990
Posted Aug 19, 2026
Due Aug 26, 2026
