NAICS 561990: All Other Support Services
All Other Support Services is NAICS code 561990. A business is small under it with $16.5 million or less in average annual receipts. 6 federal contracts are open on SAM.gov under this code right now.
- SBA size standard
- $16.5 million or less in average annual receipts
- Open contracts now
- 6
- Federal spending, FY2026
- $1 billion
- Share won by small businesses
- 19%
- Small businesses registered
- 5,633
Open federal contracts for all other support services
- FY27 Exterior Building Cleaning Sources Sought
Due in 5 daysOct 9, 2026
- Onsite Inscription Services for Jefferson Barracks National Cemetery
Due in 15 daysOct 19, 2026
- On-Site Inscription Services at Quantico and Culpeper NCs - MPS
Due in 16 daysOct 20, 2026
- On-Site Inscription Services at Fort Snelling National Cemetery
Due in 16 daysOct 20, 2026
- 7TH FLEET AREA OF OPERATIONS (AO) REGION 2 HUSBANDING SUPPORT SERVICES, MULTIPLE AWARD CONTRACTS (MAC) REQUIREMENT
No deadline
- DOS Training File
No deadline
What NAICS 561990 covers
The Census Bureau's NAICS index lists these kinds of work under 561990:
- Auctioneers, independent
- Bartering services
- Bottle exchanges
- Coin pick-up services, parking meter
- Coupon processing services
- Coupon redemption services (i.e., clearinghouse)
- Diving services on a contract or fee basis
- Document shredding services
- Electrical meter reading services, contract
- Firefighting services as a commercial activity
- Flagging (i.e., traffic control) services
- Float decorating services
- Gas meter reading services, contract
- Inventory computing services
The index lists 26 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 561990
To count as a small business for a contract assigned NAICS 561990, your business must have $16.5 million or less in average annual receipts. Receipts are averaged over your last five completed fiscal years.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys all other support services
Agencies that awarded the most under NAICS 561990 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| U.S. Special Operations Command | $2.3 billion |
| Defense Commissary Agency | $610.7 million |
| Department of the Air Force | $532.1 million |
| Department of the Army | $475.5 million |
| Department of Energy | $190 million |
| Department of State | $142.4 million |
| Department of Veterans Affairs | $116.6 million |
| U.S. Secret Service | $115.2 million |
Open notices right now come from Department of Veterans Affairs (4) and Department of State (1).
Set-asides on open 561990 contracts
- No set-aside (full and open): 3
- Total small business set-aside: 3
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
5,633 businesses with active SAM.gov registrations are rated small under NAICS 561990, most of them in Texas (604), Florida (544), California (500), Virginia (462) and Georgia (391). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 561990 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $2 billion |
| FY2025 | $1.8 billion |
| FY2026 | $1 billion |
| FY2027 (so far) | $12.1 million |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
Frequently asked questions
What is NAICS code 561990?
561990 is the 2022 NAICS code for All Other Support Services. The Census Bureau's index lists work such as auctioneers, independent, bartering services, bottle exchanges under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 561990?
$16.5 million or less in average annual receipts. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for all other support services?
Yes. 6 federal contract opportunities under NAICS 561990 are open on SAM.gov right now. Agencies obligated about $1 billion under this code in fiscal year 2026, according to USAspending.gov.
How do I add NAICS code 561990 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.