This major group includes organizations operating on a membership basis for the promotion of the interests of their members. Included are organizations such as trade associations; professional membership organizations; labor unions and similar labor organizations; and political and religious organizations. This major group does not include business establishments operated by membership organizations, which are classified according to their primary activity.

• Industry Group 861: Business Associations
  • 8611 Business Associations
  
  
• Industry Group 862: Professional Membership Organizations
  • 8621 Professional Membership Organizations
  
  
• Industry Group 863: Labor Unions And Similar Labor Organizations
  • 8631 Labor Unions And Similar Labor Organizations
  
  
• Industry Group 864: Civic, Social, And Fraternal Associations
  • 8641 Civic, Social, And Fraternal Associations
  
  
• Industry Group 865: Political Organizations
  • 8651 Political Organizations
  
  
• Industry Group 866: Religious Organizations
  • 8661 Religious Organizations
  
  
• Industry Group 869: Membership Organizations, Not Elsewhere
  • 8699 Membership Organizations, Not Elsewhere Classified