- 523930 - Investment Advice
- 541330 - Engineering Services
- 541512 - Computer Systems Design Services
- 541519 - Other Computer Related Services
- 541611 - Administrative Management and General Management Consulting Services (Primary NAICS)
- 541612 - Human Resources Consulting Services
- 541614 - Process, Physical Distribution, and Logistics Consulting Services
- 541618 - Other Management Consulting Services
- 541690 - Other Scientific and Technical Consulting Services
- 541715 – Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541720 - Research and Development in the Social Sciences and Humanities
- 541990 - All Other Professional, Scientific, and Technical Services
- 561110 - Office Administrative Services
- 561410 - Document Preparation Services
- 611430 - Professional and Management Development Training
- 611699 - All Other Miscellaneous Schools and Instruction Services
- 611710 - Educational Support Services
- 621330 - Office of Mental Health Practitioners (Except Physicians)
- 621420 - Outpatient Mental Health and Substance Abuse Centers
- 621999 - All Other Miscellaneous Ambulatory Health Care Services
- 624110 - Child and Youth Services
- 624190 - Other Individual and Family Services
- 624310 - Vocational Rehabilitation Services