Associations

• Cellular Telecommunications Industry Association
• National Association of Regulatory Utility Commissioners
• United States Telecommunications Association
• National Telephone Cooperative Association
• Organization for the Promotion and Advancement of Small Telecommunications Companies (OPASTCO)
• National Exchange Carrier Association
• The Foundation for Rural Education and Development (FRED)
  

Government

• State of Illinois
• Illinois Commerce Commission
• Illinois Legislative Services
• Federal Communications Commission
• FCC Wireless Telecommunications Bureau
• Thomas: The U.S. Congress on the Internet
• U.S. Department of Commerce, Office of Telecommunications
• U.S. Securities and Exchange Commission

Telephone Museum

• Telephone Museum of Gridley