NAICS Codes

North American Industry Classification System

Core Services Small Business NAICS Codes

  • 518210 — Data Processing, Hosting, And Related Services*
  • 541511 — Custom Computer Programming Services
  • 541512 — Computer Systems Design Services
  • 541513 — Computer Facilities Management Services
  • 541519 — Other Computer Related Services
  • 541611 — Administrative Management and General Management Consulting Services
  • 541612 — Human Resources Consulting Services
  • 541618 — Other Management Consulting Services
  • 541990 — Professional, Scientific and Technical Services
  • 561110 — Office Administrative Services
  • 561421 — Telephone Answering Services

* Primary NAICS Code

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