NAICS 561330: Professional Employer Organizations
Professional Employer Organizations is NAICS code 561330. A business is small under it with $41.5 million or less in average annual receipts. 1 federal contract is open on SAM.gov under this code right now.
- SBA size standard
- $41.5 million or less in average annual receipts
- Open contracts now
- 1
- Federal spending, FY2025
- $8.3 million
- Share won by small businesses
- 89%
- Small businesses registered
- 1,111
Open federal contracts for professional employer organizations
- Temporary Support Services (Carpenter)
Due in 18 daysOct 23, 2026
What NAICS 561330 covers
The Census Bureau's NAICS index lists these kinds of work under 561330:
- Co-employment staffing services
- Employee leasing services
- Labor leasing services
- PEO (professional employer organizations)
- Professional employer organizations (PEO)
- Staff leasing services
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 561330
To count as a small business for a contract assigned NAICS 561330, your business must have $41.5 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 professional employer organizations
Agencies that awarded the most under NAICS 561330 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $14.4 million |
| Internal Revenue Service | $9.9 million |
| Department of the Air Force | $3.6 million |
| Department of State | $3.1 million |
| Defense Health Agency | $1.3 million |
| National Gallery of Art | $882,274 |
| National Institute of Standards and Technology | $504,872 |
| National Institutes of Health | $454,195 |
Open notices right now come from Department of State (1).
Set-asides on open 561330 contracts
- No set-aside (full and open): 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Your competition
1,111 businesses with active SAM.gov registrations are rated small under NAICS 561330, most of them in Texas (154), Virginia (103), Florida (98), Maryland (91) and Georgia (88). Look any of them up with the free CAGE code and UEI lookup.
Federal spending under 561330 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $21.8 million |
| FY2025 | $8.3 million |
| FY2026 | $4 million |
| FY2027 (so far) | $0 |
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 561330?
561330 is the 2022 NAICS code for Professional Employer Organizations. The Census Bureau's index lists work such as co-employment staffing services, employee leasing services, labor leasing services under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 561330?
$41.5 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 professional employer organizations?
Yes. 1 federal contract opportunities under NAICS 561330 are open on SAM.gov right now. Agencies obligated about $8.3 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 561330 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
- Government staffing contracts, across every related code
- 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.