NAICS Code(s)
- 541611
- Administrative Management and General Management Consulting Services
- 541612
- Human Resources and Executive Search Consulting Services
- 541720
- Research and Development in the Social Sciences and Humanities
- 561110
- Office Administrative Services
- 561330
- Professional Employer Organizations
- 611110
- Elementary and Secondary Schools
- 611210
- Junior Colleges
- 611310
- Colleges, Universities, and Professional Schools
- 611410
- Business and Secretarial Schools
- 611430
- Professional and Management Development Training
- 611691
- Exam Preparation and Tutoring
- 611710
- Educational Support Services
- 624310
- Vocational Rehabilitation Services
- 813319
- Other Social Advocacy Organizations
- 813410
- Civic and Social Organizations
- 813910
- Business Associations
- 813920
- Professional Organizations
- 813930
- Labor Unions and Similar Labor Organizations
- 813990
- Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)
