3G Americas.

ACUTA.

ADSL Forum.

Alabama-Mississippi Telephone Association.

Alaska Telephone Association.

Alliance for Telecommunications Industry Solutions (ATIS).

American Cable Association.

American Mobile Telecommunications Association.

American Society of Engineering Education (ASEE).

Arizona-New Mexico Telephone Association.

Arkansas Telecommunications Association.

Association for Local Telecommunications Services.

Association of Independent Telecommunications Managers.

Association of Telecom Management Professionals.

ATM Forum.

BICSI - A World Wide Non-Profit Association.

California Communications Association (CalCom).

Canadian Cable System Alliance.

Canadian Independent Telephone Association.

Canadian Telecommunications Consultants Association (CTCA).

Canadian Wireless Telecommunication Association (CWTA).

Carolina-Virginia Telephone Membership Association.

CDMA Development Group.

Cellular Telecommunications Industry Association (CTIA).

Colorado Telecommunications Association.

Communications Managers Association (CMA).

Communications Workers of America (CWA).

Comptel Ascent.

Computer Science and Telecommunications Board (CSTB).

ENTELEC.

European Cable Communications Association (ECCA).

European Competitive Telecommunications Association (ECTA).

European Telecommunications Informatics Services (ETIS.

FCC Wireless Telecommunications Bureau.

Fibre Channel Industry Association (FCIA).

Fiber Optic Association.

Fibreoptic Industry Association.

Florida Public Telecommunications Association (FPTA).

Florida Telephone Association.

Forest Industries Telecommunications Association (FIT).

Georgia Telephone Association.

Global System for Mobile Communications (GSM World).

Global Telecommunications Women's Network.

Global Wireless Education Consortium (GWEC).

Home Phoneline Networking Alliance.

Idaho Telephone Association.

IEEE Communications Society (COMSOC).

Illinois Telecommunications Association.

Indiana Telecommunications Association.

Industrial Telecommunications Association (ITA).

Institute of Electrical & Electronics Engineers.

Information Technology and Telecommunications Association (TCA).

Institute for Wireless Education (IWE).

Institute for Telecommunication Sciences.

International Communications Industry Association.

International Telecommunication Union.

International Telecommunications Users Group (INTUG).

Internet Alliance.

Internet Engineering Task Force.

Internet Telephony Consortium.

Rural Iowa Independent Telephone Association.

Iowa Telecommunications Association.

Kansas State Independent Telephone Association.

Kentucky Telephone Association.

Louisiana Telecommunications Association.

Main Telephone Association.

Michigan Exchange Carriers Association.

Michigan Telecommunications Association.

Mid-America Cable Telecommunications Association.

Minnesota Telecommunications Association.

Minnesota Telecom Alliance.

Missouri Telecommunications Industry Association.

Mobile Data Association.

Montana Independent Telecommunications Systems.

Montana Telecommunications Association.

National Association for Amateur Radio (ARRL).

National Association of Communication Systems Engineers.

National Association for Multi-Ethnicity in Communications (NAMIC).

National Association of Paging Resellers.

National Association of Radio and Telecommunications Engineers.

National Association of State Telecommunications Director (NASTD).

National Association of Telecomunications Officers and Advisors.

National Association of Tower Erectors.

National Cable Television Cooperative.

National Exchange Carrier Association (NECA).

National Rural Telecommunications Cooperative.

National Telecommunications & Information Administration (NTIA).

National Telephone Cooperative Association (NTCA).

Nebraska Independent Telephone Association.

Nevada Telecommunications Association.

New England Telephone Association.

New Hampshire Telecommunications Association.

New York State Telecommunications Association.

North American Association of Telecommunications Dealers (NATD).

North America Numbering Plan Administration.

North Dakota Association of Telephone Cooperatives.

North Dakota Telephone Association.

North Texas Global Telecommunications Society.

Office of Communications - UK (OFCOM).

Ohio Telecommunications Industry Association.

Oklahoma Telephone Association.

Ontario Telecommunications Association.

Optical Society of America (OSA).

Oregon Telecommunications Association.

Promotion & Advancement of Small Telecommunications Companies.

Pacific Telecommunications Council.

Pennsylvania Telephone Association.

Personal Communications Industry Association.

Portable Computer and Communications Association.

Power and Communication Contractors Association.

Rural Cellular Association.

Satellite Broadcasting & Communications Association (SBCA).

Satellite Industry Association.

Society of Broadcast Engineers (SBE).

Society of Cable Telecommunications Engineers.

Society of Satellite Professionals (SSPI).

Society for Technical Communication.

Society of Telecommunications Consultants (STC).

South Carolina Telephone Association.

Southern Cable Telecommunications Association.

Small Business in Telecommunications.

Telecom Corridor.

Telecommunications Industry Association (TIA).

TeleManagement Forum.

Telephone Pioneers of America.

Tennessee Telecommunications Association.

Texas Telephone Association.

Texas Statewide Telephone Cooperative.

United States Office of Telecommunications Technologies.

United States Telecom Association.

United Telecom Council.

Universal Mobile Telecommunications System Forum.

US Institute for Telecommunication Sciences.

Utah Rural Telecom Association.

Virginia Telecommunications Industry Association.

Washington Independent Telephone Association.

West Virginia Telephone Association.

Wi-Fi Alliance.

Wireless Communications Alliance.

Wireless Communications Association International.

Wireless Consumers Alliance.

Wireless Industry Association.

Wireless LAN Association.

Wisconsin State Telecommunications Association.

Women in Cable and Telecommunications.

World Teleport Association.

Wyoming Telecommunications Association.