North American Industry Classification System (NAICS)

  • 518210 – Data Processing, Hosting, and Related Services
  • 519130 – Internet Publishing & Broadcasting & Web Search Portals
  • 519190 – All Other Information Services
  • 541511 – Custom Computer Programming Services
  • 541512 – Computer Systems Design Services
  • 541513 – Computer Facilities Management Services
  • 541519 – Other Computer Related Services
  • 541611 – Admin Mgmt & General Mgmt Consulting Services
  • 541613 – Marketing Consulting Services
  • 541614 – Process, Physical Distrib & Logistics Consulting Services
  • 541618 – Other Management Consulting Services
  • 541690 – Other Scientific and Technical Consulting Services
  • 541712 – R &D in the Physical, Engineering, and Life Sciences
  • 541930 – Translation and Interpretation Services
  • 541990 – All Other Professional, Scientific, and Technical Services
  • 561110 – Office Administrative Services
  • 561611 – Investigation Services
  • 541513 – Computer Facilities Management Services
  • 611430 – Professional and Management Development Training
  • 611691 – Exam Preparation and Tutoring
  • 611710 – Educational Support Services
  • 921190 – Other General Government Support

Standard Industrial Classification (SIC)

  • 8299 – Schools & Educational Services, NEC
  • 8621 – Professional Organizations
  • 8732 – Commercial Nonphysical Research
  • 8733 – Noncommercial Research Organization
  • 8741 – Management Services
  • 8742 – Management Consulting Services
  • 8743 – Public Relations Services
  • 8744 – Facilities Support Services
  • 8748 – Business Consulting, NEC
  • 8999 – Services, NEC