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Government contracts under NAICS 541990: All Other Professional, Scientific, and Technical Services

As of 10 Nov 2026, 165 federal opportunities under NAICS 541990: All Other Professional, Scientific, and Technical Services are open on SAM.gov: 17 posted in the last 7 days, 77 set aside for small businesses and 29 with responses due within 14 days. Updated .

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Newest open notices

25 of 165, newest first. Each title opens our page for the notice; respond only on SAM.gov.

  1. U.S. Coast Guard Air Station Port Angeles Annual Fire Protection System Inspection US Coast Guard · WA · Small business set-aside · Due 23 Nov · SAM.gov
  2. U.S. Navy and Royal Australian Air Force (RAAF) MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) V Contract Dept of the Navy · San Diego, CA · Due 23 Nov · SAM.gov
  3. ShakeAlert Production System Code Review Departmental Offices · Small business set-aside · Due 23 Nov · SAM.gov
  4. Vandenberg SFB Tank Inspection Dept of the Army · Service-disabled veteran-owned (SDVOSB) · Due 27 Nov · SAM.gov
  5. Broad Agency Announcement - Development and Demonstration of Mine Safety and Health Technology CDC · NV · Due 8 Feb · SAM.gov
  6. Advances in Contemporary Mining Safety and Health Challenges for Critical Minerals CDC · Reno, NV · Due 11 Jan · SAM.gov
  7. University Health and Safety Research for the Mining Industry CDC · Reno, NV · Due 11 Jan · SAM.gov
  8. Vandenberg SFB Tank Inspection Dept of the Army · Service-disabled veteran-owned (SDVOSB) · Due 27 Nov · SAM.gov
  9. FDA Scientific & Regulatory Support Services(SRS) Food and Drug Administration · Silver Spring, MD · Small business set-aside · Due 23 Nov · SAM.gov
  10. FDA Scientific & Regulatory Support Services(SRS) Food and Drug Administration · Silver Spring, MD · Small business set-aside · Due 23 Nov · SAM.gov
  11. U.S. Navy and Royal Australian Air Force (RAAF) MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) V Contract Dept of the Navy · San Diego, CA · Due 20 Nov · SAM.gov
  12. Golden Dome for America Commercial Solutions Opening Immediate Office of the Secretary of Defense · Due 1 Apr · SAM.gov
  13. Morgantown Office Insect Taxonomic Support Forest Service · WV · Due 3 Dec · SAM.gov
  14. Morgantown Office Insect Taxonomic Support Forest Service · WV · Due 3 Dec · SAM.gov
  15. FDA Scientific & Regulatory Support Services(SRS) Food and Drug Administration · Silver Spring, MD · Small business set-aside · Due 19 Nov · SAM.gov
  16. VENDOR OPPORTUNITY - DLA HQ Holiday Social Event DLA · Fort Belvoir, VA · Due 18 Nov · SAM.gov
  17. NIH Scientific & Technical Expertise & Acquisition Management (STEAM) NIH · Bethesda, MD · Small business set-aside · Due 15 Nov · SAM.gov
  18. NIH Scientific & Technical Expertise & Acquisition Management (STEAM) NIH · Bethesda, MD · Small business set-aside · Due 17 Nov · SAM.gov
  19. NIH Scientific & Technical Expertise & Acquisition Management (STEAM) NIH · Bethesda, MD · Small business set-aside · Due 15 Nov · SAM.gov
  20. Artifact Conservation Project Coordinator National Archives and Records Administration · College Park, MD · Small business set-aside · Due 12 Nov · SAM.gov
  21. Artifact Conservation Project Coordinator National Archives and Records Administration · College Park, MD · Small business set-aside · Due 12 Nov · SAM.gov
  22. Morgantown Office Insect Taxonomic Support Forest Service · WV · Due 3 Dec · SAM.gov
  23. Fort Campbell, KY - API 653 External Tank Inspection Dept of the Army · Service-disabled veteran-owned (SDVOSB) · Due 13 Nov · SAM.gov
  24. Cleaning, Inspection, and Hazardous Waste Removal for Two 10,000-Gallon Oil/Water Separators Dept of the Air Force · Minneapolis, MN · Small business set-aside · Due 12 Nov · SAM.gov
  25. SAF/CDM Commercial Solutions Opening and Specific Calls Dept of the Air Force · Due 30 Sep · SAM.gov

Where they are open

Maryland 12Minnesota 5Nevada 3West Virginia 3California 2Washington 1Virginia 1Florida 1

Agencies

  • Federal Acquisition Service: 122 open
  • Dept of the Army: 8 open
  • Dept of the Air Force: 7 open
  • NIH: 4 open
  • National Archives and Records Administration: 4 open

Set-asides

Small business set-aside: 30 · Service-disabled veteran-owned (SDVOSB): 14 · 8(a) set-aside: 13 · Women-owned small business (WOSB / EDWOSB): 10 · HUBZone set-aside: 10

Questions

How many opportunities under NAICS 541990: All Other Professional, Scientific, and Technical Services are open now?

165 at the latest read of SAM.gov public data (10 Nov 2026); 17 were first posted in the last 7 days and 29 have a response date within the next 14 days.

Which agencies post the most opportunities under NAICS 541990: All Other Professional, Scientific, and Technical Services?

By open notices at the latest read: Federal Acquisition Service (122); Dept of the Army (8); Dept of the Air Force (7); NIH (4); National Archives and Records Administration (4).

How many of them are set aside for small businesses?

77 of the 165: Small business set-aside 30; Service-disabled veteran-owned (SDVOSB) 14; 8(a) set-aside 13; Women-owned small business (WOSB / EDWOSB) 10; HUBZone set-aside 10. The other 88 state no set-aside.

Source: SAM.gov Contract Opportunities public data extract (US General Services Administration). Bid Watch US is independent; not affiliated with SAM.gov or the US government. Read . Bid Watch US is run by Bikoosh, an independent tracker, not affiliated with SAM.gov or the US government. How we read the data.