NAICS Code 561330 Professional Employer Organizations


Administrative and Support and Waste Management and Remediation Services


This industry comprises establishments primarily engaged in providing human resources and human resource management services to client businesses. 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.

Cross References

Establishments primarily engaged in
  • Supplying their own employees for limited periods of time to supplement the working force of a client's business: classified in Industry 561320, Temporary Help Services
  • Listing employment vacancies and in referring or placing applicants for employment: classified in U.S. Industry 561311, Employment Placement Agencies.

Industries Included

  • Co-employment staffing services
  • Employee leasing services
  • Labor leasing services
  • PEO (professional employer organizations)
  • Professional employer organizations (PEO)
  • Staff leasing services

Industry Leaders

Free Business Search - NAICS 561330

Industry Overview

Total Companies:223

Est. Employment:4023