- Arkansas Telecommunications Assoc.
- Assoc. of Communications Enterprises (ASCENT)
- Canadian Telecommunications Consultants Assoc.
- Colorado Telecommunications Assoc.
- Competitive Telecommunications Assoc. (CompTel)
- Illinois Telecommunications Assoc.
- Industrial Telecommunications Assoc. (ITA)
- International Telecommunications Society
- Iowa Telecommunications Assoc.
- Massachusetts Telecommunications Council
- Minnesota Telecommunications Assoc.
- Missouri Telecommunications Industry Assoc.
- National Assoc. of Black Telecommunications Professionals (NABTP)
- National Assoc. of Radio ;& Telecommunications Engineers (NARTE)
- National Assoc. of State Telecommunications Directors (NASTD)
- National Association of Telecommunications Officers ;& Advisors (NATOA)
- National Telecommunications Cooperative Assoc. (NTCA)
- Native American Public Telecommunications
- New York State Telecommunications Assoc.
- North American Number Plan Administration
- Ohio Telecommunications Industry Assoc.
- Pacific Telecommunications Council
- Pennsylvania Cable ;& Telecommunications Assoc.
- Personal Communications Industry Assoc.
- Telecommunications Assoc. of Michigan
- Telecommunications Benchmarking International Group
- Telecommunications Industry Assoc. (UK)
- Telecommunications Industry Assoc. (US)
- Telecommunications Industry Ombudsman (Australia)
- United States Telecom Assoc. (USTA)
- Women in Cable and Telecommunications