NAICS 541990 government contracts

Open federal contracts under NAICS 541990 (All Other Professional, Scientific, and Technical Services), in plain English: who can bid, when they're due and what to submit. Updated every morning from SAM.gov. SBA small business size standard: $19.5 million in average annual receipts.

23Open for bids
3Coming soon

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NAICS 541990 contracts at a glance

Who can bid

  • Open to anyone12
  • Small businesses only6
  • Service-disabled veteran-owned small businesses only3
  • Women-owned small businesses only2
  • Partly set aside for small businesses1
  • SBA 8(a) firms only1

Agencies buying most

  • Department of Defense10
  • General Services Administration7
  • Department of Health and Human Services3
  • National Archives and Records Administration1
  • Department of Transportation1
  • Interior, Department of The1

Timing

  • Open for bids23
  • Due within 7 days6
  • Typical time to respond67 days

Counted from today's open notices on SAM.gov, updated every morning.

26 open and upcoming

  1. NOV111824 days
    Multiple Award Schedule
    Location in notice · Federal Acquisition Service
    Open to anyoneConsulting & professional services
  2. NOV196 days
    Artifact Conservation Project Coordinator
    College Park, Maryland · National Archives and Records Administration
    Due in 6 daysSmall businesses onlyConsulting & professional services
  3. NOV185 days
    Fort Campbell, KY - API 653 External Tank Inspection
    Location in notice · Department of the Army
    Due in 5 daysService-disabled veteran-owned small businesses onlyConsulting & professional services
  4. NOV163 days
    Request for Quotation (RFQ) National Performance Management Research Data Set (NPMRDS) Technical and Data-Sharing Support
    Washington, Washington DC · Federal Highway Administration
    Due in 3 daysOpen to anyoneConsulting & professional services
  5. NOV2714 days
    Vandenberg SFB Tank Inspection
    Location in notice · Department of the Army
    Service-disabled veteran-owned small businesses onlyConsulting & professional services
  6. NOV2512 days
    MQ-4C Triton Unmanned Aircraft System (UAS) Sustaining Engineering and Support (SES) IV Contract Modification to Incorporate Royal Australian Air Force (RAAF) Technical Services Contract Line Item Numbers (CLINs)
    San Diego, California · Department of the Navy
    Coming soonOpen to anyoneConsulting & professional services
  7. NOV207 days
    Quality Assurance Services - Civil Works, Interagency and International Services (IIS), and Military Construction Projects in Puerto Rico and U.S. Virgin Islands
    Location in notice · Department of the Army
    Due in 7 daysSmall businesses onlyConsulting & professional services
  8. NOV207 days
    Air Force Technical and Analytical Support and Professional Services (AFTAS Pro) CSO
    Location in notice · Department of the Air Force
    Due in 7 daysWomen-owned small businesses onlyConsulting & professional services
  9. NOV2310 days
    ShakeAlert Production System Code Review
    Location in notice · Departmental Offices
    Coming soonSmall businesses onlyConsulting & professional services
  10. NOV2310 days
    U.S. Coast Guard Air Station Port Angeles Annual Fire Protection System Inspection
    Washington · US Coast Guard
    Small businesses onlyConsulting & professional services
  11. FEB887 days
    Broad Agency Announcement - Development and Demonstration of Mine Safety and Health Technology
    Nevada · Centers for Disease Control and Prevention
    Open to anyoneConsulting & professional services
  12. JAN1159 days
    University Health and Safety Research for the Mining Industry
    Reno, Nevada · Centers for Disease Control and Prevention
    Open to anyoneConsulting & professional services
  13. JAN1159 days
    Advances in Contemporary Mining Safety and Health Challenges for Critical Minerals
    Reno, Nevada · Centers for Disease Control and Prevention
    Open to anyoneConsulting & professional services
  14. DUE–TBD
    USACE Tactical Readiness - Integrated Deployment of Enterprise Services (TRIDENT)
    Location in notice · Department of the Army
    Coming soonSmall businesses onlyConsulting & professional services
  15. APR11600 days
    Golden Dome for America Commercial Solutions Opening
    Location in notice · Immediate Office of the Secretary of Defense
    Open to anyoneConsulting & professional services
  16. DEC320 days
    Morgantown Office Insect Taxonomic Support
    West Virginia · Forest Service
    Open to anyoneConsulting & professional services
  17. NOV185 days
    VENDOR OPPORTUNITY - DLA HQ Holiday Social Event
    Fort Belvoir, Virginia · Defense Logistics Agency
    Due in 5 daysOpen to anyoneConsulting & professional services
  18. SEP30321 days
    SAF/CDM Commercial Solutions Opening and Specific Calls
    Location in notice · Department of the Air Force
    Open to anyoneConsulting & professional services
  19. NOV2310 days
    Marine Resource Technical Services Throughout the Naval Facilities Engineering Systems Command (NAVFAC) Pacific Area of Responsibility
    Location in notice · Department of the Navy
    Partly set aside for small businessesConsulting & professional services
  20. SEP30321 days
    FY2027 USPS OIG Broad Agency Announcement
    Location in notice · Postal Service
    Open to anyoneConsulting & professional services
  21. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) Total Small Business Set-Aside Continuously Open
    Location in notice · Federal Acquisition Service
    Small businesses onlyConsulting & professional services
  22. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) 8(a) Small Business Set-Aside Continuously Open Solicitation
    Location in notice · Federal Acquisition Service
    SBA 8(a) firms onlyConsulting & professional services
  23. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) Historically Underutilized Business Zone (HUBZone) Small Business Set-Aside Continuously Open Solicitation
    Location in notice · Federal Acquisition Service
    HUBZone small businesses onlyConsulting & professional services
  24. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside Continuously Open Solicitation
    Location in notice · Federal Acquisition Service
    Service-disabled veteran-owned small businesses onlyConsulting & professional services
  25. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) Women-Owned Small Business (WOSB) Set-Aside Continuously Open Solicitation
    Location in notice · Federal Acquisition Service
    Women-owned small businesses onlyConsulting & professional services
  26. JAN1159 days
    One Acquisition Solution for Integrated Services Plus (OASIS+) Unrestricted Continuously Open Solicitation
    Location in notice · Federal Acquisition Service
    Open to anyoneConsulting & professional services

By state

Questions

How many NAICS 541990 contracts are open right now?

23 are open for bids today, and 3 are coming soon. 6 close within the next 7 days.

Can a small business bid on them?

14 of the 26 are set aside for small businesses or a certified group (such as women-owned, veteran-owned or HUBZone), so only those firms can bid. The rest are open to anyone.

Which agencies post the most?

Right now: Department of Defense (10), General Services Administration (7), Department of Health and Human Services (3).

How long do I have to respond?

Half of the open notices give 67 days or less between posting and the deadline, so check new notices daily.

Can someone prepare the bid for me?

Yes. Seal the Bid prepares the full bid package for a flat fee from $495: forms, pricing sheet and compliance check. You set the price, sign and submit, and you pay for your first bid only if you submit it.