NAICS

541330 - Engineering Services

541420 - Industrial Design Services

541512 - Computer Systems Design Services

541611 - Administrative Management and General Management Consulting Services

541612 - Human Resources Consulting Services

541614 - Process, Physical Distribution, and Logistics Consulting Services

541690 - Other Scientific and Technical Consulting Services

551114 - Corporate, Subsidiary, and Regional Managing Offices

561110 - Office Administrative Services

561311 - Employment Placement Agencies

561312 - Executive Search Services

561320 - Temporary Help Services

561330 - Professional Employer Organizations

611430 - Professional and Management Development Training