Federal Communications Commission
• Cable Service Bureau
• Common Carrier Bureau, Accounting Safeguards Division
• Common Carrier Bureau, Competitive Pricing Division
• Common Carrier Bureau, Enforcement Division
• Common Carrier Bureau, Industry Analysis Division
• Common Carrier Bureau, Network Services Division
• Common Carrier Bureau, Policy and Program Planning Division
• Compliance and Information Bureau
• International Bureau
• Mass Media Bureau
• Office of Engineering and Technology
• Wireless Telecommunications Bureau
• Federal Communications Commission (FCC)
• Alliance for Telecommunications Industry (ATIS)
• Association for Local Telecommunications Services (ALTS)
• Cellular Telecommunications Industry Association (CTIA)
• CompTel (Competitive Telecommunications Association)
• National Association of Telecommunications Officers & Advisors (NATOA)
• National Cable Television Association (NCTA)
• National Exchange Carrier Association (NECA)
• National Rural Telecommunications Cooperative (NRTC)
• National Telephone Cooperative Association (NTCA)
• Organization for the Promotion & Advancement of Small Telecommunication Companies (OPASTCO)
• Personal Communications Industry Association (PCIA)
• Telecom Resellers Association (TRA)
• Telecommunications Industry Association (TIA)
• Western Rural Telephone Association (WRTA)

• Lambda Communications
• Puerto Rico Telephone - Central
• Puerto Rico Telephone

• Virgin Islands Telephone

Delaware