NAICS Code 813920 - Professional Organizations

Industry Sector

Other Services (except Public Administration)

Total Companies


Est. Employment



This industry comprises establishments primarily engaged in promoting the professional interests of their members and the profession as a whole. These establishments may conduct research; develop statistics; sponsor quality and certification standards; lobby public officials; or publish newsletters, books, or periodicals, for distribution to their members.


NAICS Code 813920 - Professional Organizations is a final level code of the “Other Services (except Public Administration)” Sector. There are 4,770 companies classified in this industry in the USA with an estimated employment of 87,605 people.

Industry Examples

Common types of examples within NAICS Code 813920 - Professional Organizations are:

  • Accountants' associations
  • Architects' associations
  • Bar associations
  • Consultants' associations
  • Dentists' associations
  • Dietitians' associations
  • Educators' associations
  • Engineers' associations
  • Health professionals' associations
  • Hospital administrators' associations
  • Learned societies
  • Medical associations
  • Nurses' associations
  • Occupational therapists' associations
  • Optometrists' associations
  • Peer review boards
  • Personnel management associations
  • Pharmacists' associations
  • Professional associations
  • Professional membership associations
  • Professional standards review boards
  • Psychologists' associations
  • Scientific associations
  • Social workers' associations
  • Standards review committees, professional


For some business types, there may be a similar industry to NAICS Code 813920 - Professional Organizations that is a better classification match. Establishments primarily engaged in: