NAICS 56133: Professional Employer Organizations
NAICS industry
Code facts
- Part of
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56
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561
- 5613
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561
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56
- Codes under it
- 1
- Contract awards
- 28 In the last 12 months
- Contract obligations
- $8,320,821 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $4,010,715 |
| FY2025 | $8,320,821 |
| FY2024 | $21,807,212 |
| FY2023 | $15,404,144 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Wits Solutions Inc. | $988,863 | |
| 2 | Interactive Government Holdings, Inc. | $547,293 | |
| 3 | Compass Medical Provider LLC | $488,610 | |
| 4 | Metropolitan Medical LLC | $394,311 | |
| 5 | Myriddian, LLC | $348,824 | |
| 6 | Oban Corporation | $244,582 | |
| 7 | T47 International, Inc. | $141,196 | |
| 8 | Citadel Federal Solutions LLC | $127,320 | |
| 9 | Gallup, Inc. | $76,500 |
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $2,959,213 | |
| 2 | Department of State | $841,943 | |
| 3 | National Gallery of Art | $394,311 | |
| 4 | Department of the Navy | $76,500 | |
| 5 | Air Force | $60,540 | |
| 6 | Defense Logistics Agency | $19,658 | |
| 7 | Department of Commerce | $13,500 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R699 Other Administrative Support Services | $1,258,202 | |
| 2 |
U008 Training/ |
$674,613 | |
| 3 | R499 Other Professional Services | $666,787 | |
| 4 | R401 Personal Care Services (includes such services as barber and beauty shop, shoe repairs, tailoring, etc.) | $394,311 | |
| 5 |
R408 Program Management/ |
$375,830 | |
| 6 | Q201 Medical – Managed Healthcare | $244,582 | |
| 7 | R799 Other Management Support Services | $111,773 | |
| 8 | U099 Other Education and Training Services | $76,500 | |
| 9 | R425 Engineering and Technical Services | $60,540 | |
| 10 | R424 Expert Witness | $54,000 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | South Carolina | $988,863 | |
| 2 | Wisconsin | $747,139 | |
| 3 | Virginia | $613,063 | |
| 4 | Idaho | $488,610 | |
| 5 | District of Columbia | $354,365 | |
| 6 | Massachusetts | $154,696 | |
| 7 | Maryland | $76,500 | |
| 8 | Texas | $54,000 |
Shares are of everything obligated under NAICS 56133 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 40 more
Latest 50 of 165 listed here. See the rest on GovTribe.
Codes under 56133
| NAICS code | Size standard |
|---|---|
| 561330 Professional Employer Organizations | $41.5 million in average annual receipts |
Definition
This industry comprises establishments primarily engaged in providing human resources and human resource management services to client businesses and households. Establishments in this industry operate in a co-employment relationship with client businesses or organizations and are specialized in performing a wide range of human resource and personnel management duties, such as payroll, payroll tax, benefits administration, workers' compensation, unemployment, and human resource administration.
Professional employer organizations (PEOs) are responsible for payroll, including withholding and remitting employment-related taxes, for some or all of the employees of their clients, and also serve as the employer of those employees for benefits and related purposes.
Illustrative examples
- Employee leasing services
- Labor leasing services
- PEO (professional employer organizations)
- Professional employer organizations (PEO)
- Staff leasing services
Quick answers
What is NAICS 56133?
NAICS 56133 is Professional Employer Organizations, a NAICS industry in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What is the NAICS code for labor leasing services?
The NAICS code for labor leasing services is 561330, Professional Employer Organizations. Its SBA small business size standard is $41.5 million in average annual receipts.
What is the NAICS code for staff leasing services?
The NAICS code for staff leasing services is 561330, Professional Employer Organizations. Its SBA small business size standard is $41.5 million in average annual receipts.
What is the NAICS code for employee leasing services?
The NAICS code for employee leasing services is 561330, Professional Employer Organizations. Its SBA small business size standard is $41.5 million in average annual receipts.
What codes are under NAICS 56133?
NAICS 56133 has one code under it with its own GovTribe page, 561330 Professional Employer Organizations.
How much do federal agencies spend under NAICS 56133?
Federal contracts under NAICS 56133 obligated $8,320,821 in fiscal year 2025 and $49,542,892 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 56133?
The contractors with the most obligated under NAICS 56133 in fiscal years 2026 and 2027 are Wits Solutions Inc. ($988,863); Interactive Government Holdings, Inc. ($547,293); and Compass Medical Provider LLC ($488,610).
Which agencies buy the most under NAICS 56133?
The agencies that obligated the most under NAICS 56133 in fiscal years 2026 and 2027 are Department of the Army ($2,959,213), Department of State ($841,943) and National Gallery of Art ($394,311).
Which PSC codes are used with NAICS 56133?
The PSC codes with the most obligated under NAICS 56133 in fiscal years 2026 and 2027 are R699 Other Administrative Support Services, U008 Training/
Where is the work under NAICS 56133 performed?
By place of performance, the states with the most contract obligations under NAICS 56133 over the last 12 months are South Carolina ($988,863), Wisconsin ($747,139) and Virginia ($613,063).
What is the latest contract opportunity under NAICS 56133?
The latest contract opportunity under NAICS 56133 is Temporary Support Services (Carpenter), solicitation from US Embassy Paris (DOS), posted September 21, 2026.
On GovTribe
See everything under NAICS 56133
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
- Contacts who buy under this code
- Ask GovTribe AI about this code