NAICS 561320:
Temporary Help Services
This industry comprises establishments primarily engaged in supplying workers to clients' businesses for limited periods of time to supplement the working force of the client. The individuals provided are employees of the temporary help services establishment. However, these establishments do not provide direct supervision of their employees at the clients' work sites.
Help supply servicesModel supply servicesLabor (except farm) contractors (i.e., personnel suppliers)+2 examples
Temporary employment or temporary staffing servicesManpower pools
Matching SIC code: 7363 Help Supply Services
Where it sits
Largest companies with NAICS 561320
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  ManpowerGroupmanpowergroup.com | Milwaukee, US | 73K |
| 2 |  Manpowermanpower.com | Milwaukee, US | 29K |
| 3 |  Robert Halfroberthalf.com | US | 28K |
| 4 |  Aya Healthcareayahealthcare.com | San Diego, US | 25K |
| 5 |  Kellymykelly.com | Troy, US | 21K |
| 6 |  Aerotekaerotek.com | Hanover, US | 21K |
| 7 |  Insight Globalinsightglobal.com | Atlanta, US | 21K |
| 8 |  ESSess.com | Knoxville, US | 16K |
| 9 |  Express Employment Internationalexpresspros.com | Oklahoma City, US | 14K |
| 10 |  Mercormercor.com | San Francisco, US | 13K |
Not this code?
Similar activities the Census classifies elsewhere.
- 115115Farm Labor Contractors and Crew LeadersSupplying farm labor
- 561210Facilities Support ServicesProviding operating staff to perform a combination of services to support operations within a client's facilities
- 711410Agents and Managers for Artists, Athletes, Entertainers, and Other Public FiguresRepresenting models, entertainers, athletes, and other public figures as their agent or manager
Questions about NAICS 561320
Which businesses use NAICS 561320?
Help supply services, model supply services and temporary employment or temporary staffing services, and similar businesses in the Administrative and Support and Waste Management and Remediation Services sector. This industry comprises establishments primarily engaged in supplying workers to clients' businesses for limited periods of time to supplement the working force of the client.
What SIC code matches NAICS 561320?
SIC 7363, Help Supply Services, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 561320?
18,456 companies with a website carry NAICS 561320 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
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Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.