North American Industry Classification System (NAICS) 2007 - Service Industries
- 5613 - Employment Services
- 56131 - Employment Placement Agencies and Executive Search Services
- 561310 - Employment Placement Agencies and Executive Search Services
- 56132 - Temporary Help Services
- 561320 - Temporary Help Services
- 56133 - Professional Employer Organizations
- 561330 - Professional Employer Organizations
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