North American Industry Classification System (NAICS) Codes

Code Description
541211
  • Accounting (i.e., CPAs) services, certified public
  • Auditing services (i.e., CPA services), accounts
541219
  • Accountants' (except CPAs) offices
  • Accountants' (except CPAs) private practices
  • Accounting services (except CPAs)
  • Billing services
  • Bookkeepers' offices
  • Bookkeepers' private practices
  • Bookkeeping services
  • Public accountants' (except CPAs) offices
  • Public accountants' (except CPAs) private practices
541511
  • Applications software programming services, custom computer
  • Computer program or software development, custom
  • Computer programming services, custom
  • Computer software analysis and design services, custom
  • Computer software programming services, custom
  • Computer software support services, custom
  • Programming services, custom computer
  • Software analysis and design services, custom computer
  • Software programming services, custom computer
  • Web (i.e., Internet) page design services, custom
541512
  • Computer hardware consulting services or consultants
  • Computer software consulting services or consultants
  • Computer systems integration analysis and design services
  • Computer systems integration design consulting services
  • Computer systems integrator services
  • Information management computer systems integration design services
  • Local area network (LAN) computer systems integration design services
  • Network systems integration design services, computer
  • Office automation computer systems integration design services
  • Systems integration design consulting services, computer
  • Systems integration design services, computer
541513
  • Computer systems facilities management and operation services
  • Data processing facilities management and operation services
  • Facilities support services, computer systems or data processing
  • Facilities management and operation services, computer systems or data processing
541519
  • Computer disaster recovery services
  • Software installation services, computer
541611
  • Administrative management consulting services
  • Business management consulting services
  • Financial management consulting (except investment advice) services
  • General management consulting services
  • Medical office management consulting services or consultants
  • Records management consulting services
  • Reorganization consulting services
  • Strategic planning consulting services
541618
  • Telecommunications management consulting services
541690
  • Economic consulting services
  • Security consulting services
541990
  • Appraisal (except real estate) services
  • Arbitration and conciliation services (except by attorney, paralegal)
  • Marine surveyor (i.e., ship appraiser) services
  • Mediation product services (except by lawyer, attorney, paralegal offices, family and social services)
  • Quantity surveyor services
561110
  • Administrative management services
  • Business management services
  • Executive management services
  • Management services (except complete operation of client's business)
  • Managing offices of dentists
  • Managing offices of physicians and surgeons
  • Managing offices of professionals (e.g., dentists, physicians, surgeons)
  • Medical office management services
  • Office administration services
  • Office management services
561611
  • Investigation services (except credit), private
  • Investigators, private
561612
  • Protection services (except armored car, security systems), personal or property
611430
  • Management development training
  • Professional development training
  • Quality assurance training
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