Federal contracts for NAICS 561990
All Other Support Services
In fiscal year 2024, U.S. federal agencies obligated $2.0B on contracts under NAICS 561990 (All Other Support Services), led by the Department of Defense at $1.7B. Below are the top buying agencies, how competitive the code is, and how to find open opportunities.
Top federal buyers of All Other Support Services
FY2024 contract obligations under NAICS 561990, from USAspending.gov.
| Agency | FY2024 obligated |
|---|---|
| Department of Defense | $1.7B |
| Department of State | $84M |
| Department of Energy | $76M |
| National Aeronautics and Space Administration | $35M |
| Department of Veterans Affairs | $34M |
| Agency for International Development | $29M |
| Department of Justice | $13M |
| Department of Health and Human Services | $11M |
How to win All Other Support Services contracts
Register & list NAICS 561990
Complete your SAM.gov entity registration and list NAICS 561990 in your profile so agencies find you in the Dynamic Small Business Search.
Monitor SAM.gov daily
New opportunities post continuously. Set up saved searches for NAICS 561990 — or let BSonar watch hourly and email you the matches that fit, ranked by deadline.
Respond fast & compliant
Short-deadline set-asides have the least competition. Draft a compliant, submission-ready proposal from the full solicitation package before the window closes.
Related NAICS codes
NAICS 561990 — frequently asked
How much does the federal government spend on NAICS 561990?
In FY2024, federal agencies obligated approximately $2.0B on contracts under NAICS 561990 (All Other Support Services), led by the Department of Defense at $1.7B.
Which agencies buy the most under NAICS 561990?
The top federal buyers in FY2024 were Department of Defense, Department of State, Department of Energy.
How do I find open All Other Support Services contract opportunities?
New opportunities post continuously on SAM.gov. BSonar monitors SAM.gov hourly for NAICS 561990, filters out already-awarded noise, ranks matches by deadline, and emails you only the ones worth a bid — with an AI fit score and one-click proposal drafting.
Never miss a NAICS 561990 opportunity
$20 Monitoring watches SAM.gov hourly for All Other Support Services and emails you the contracts worth attention. Upgrade to Full Access for AI fit and drafting.
Choose Monitoring · $20/moSecure monthly checkout · your own SAM.gov key · cancel anytime.