Alliance for Telecommunications Industry Solutions - ATIS
   ATIS is a membership organization that provides the tools necessary for the industry to identify standards, guidelines and operating procedures that make the interoperability of existing and emerging telecommunications products and services possible.
   http://www.atis.org/

Avema Global Alliance
   A global network of specialized telecom consulting and service firms providing support to multinational corporations. Focus is on helping companies manage and reduce telecom costs.
   http://www.avemaglobal.com/index.html

British Approvals Board for Telecommunications (UK)
   An independent organisation supplying regulatory expertise and authoritative advice on telecommunication approvals, quality assurance, certification and metering systems worldwide.
   http://www.babt.co.uk/

CTAM of Texas
   A marketing association for the cable and telecommunications industry in Texas.
   http://www.ctamtexas.com/

Canadian Telecommunication Consultants Association
   Canada's only professional association of independent telecommunications consultants.
   http://www.ctca.ca/

European Competitive Telecommunications Association
   Telecom industry association portal for telecom news, events, conferences and exhibitions.
   http://www.ectaportal.com

European Telecommunications Network Operators' Association
   ETNO is the voice of Europe's telecoms and electronic communications operators in Brussels.
   http://www.etno.be

Federation of Telecoms Engineers of the EC
   An international association that is committed to affecting telecommunication developments throughout Europe and the rest of the world.
   http://www.fitce.org

Global Billing Association
   Representing the telecommunications billing industry.
   http://www.billing.org/

Indiana Telecommunications Association
   (ITA) A non-profit trade association representing Indiana's telecommunications industry.
   http://www.itainfo.org/

International Communications Induistries Association-ICIA
   Educating, training and certifying the communications industry.
   http://www.infocomm.org/

International Inbound Services Forum
   The homepage of the International Inbound Telecommunications Services for carriers providing international freephone (toll free)services, Home Country Direct services and other inbound services internationally.
   http://www.iis-forum.com/

International Institute of Communications
   The Institute's purpose is to explore and debate critical issues in communications and their economic, cultural, social and public policy impact.
   http://www.iicom.org/

Mass Network Communications Council
   A nonprofit industry association comprised of 240 telecommunications companies and their affiliates who operate in Massachusetts.
   http://www.massnetcomms.org/

Mobile Telecoms Advisory Group
   UK-based group provides information on mobile phone health issues, summaries of health reports, explanations of base stations and mobile masts, and planning policies and best practice models for mast developments.
   http://www.mobilemastinfo.com

National Association of Minorities in Communications
   NAMIC is an organization which educates, advocates and empowers for the cause of diversity in the telecommunications industry.
   http://www.namic.com/

National Association of Regulatory Commissioners (NARUC)
   NARUC is an association comprised of the Commissioners from utility regulatory bodies in each state (i.e., Public Service Commissions (PSC), Public Utilities Commissions (PUC)
   http://www.naruc.org/

National Association of Telecommunication Officers and Administrators - NATOA
   Professional association of municipal, state, county, and federal telecommunication officers and administrators.
   http://www.natoa.org/

National Centrex Users Group (NCUG)
   Provides a platform to deal with issues associated with regulation, product development, and delivery of Centrex, DMS, PBX, ILEC, CLEC, network, and paging products and services.
   http://www.centrexncug.org

National Coordinating Center for Telecommunications
   Government/industry center that provides emergency response capabilities for the US government and the telecommunications industry.
   http://www.ncs.gov/ncc

National ITFS Association
   A non-profit, professional organization of Instructional Television Fixed Service (ITFS) licensees.
   http://itfs.org

National Telephone Cooperative Association (NTCA)
   Non-profit association representing small and rural telephone cooperatives and commercial companies. Member services include government affairs, educational and public relations programs and legal and industry representation.
   http://www.ntca.org/

New York State Telecommunications Association
   Advocate for New York's telecommunications industry.
   http://www.nysta.com

North Carolina Consortium of Internet Service Providers (NCCISP)
   Includes event log, calendar, industry news, and legislation information.
   http://www.nccisp.org

OPASTCO.org
   The Organization for the Promotion and Advancement of Small Telecommunication Companies
   http://www.opastco.org/

QuEST Forum
   A telecom quality association offering information and services on benchmark standards including ISO 9000, TL 9000, RQMS and other telecommunication metrics and measurments.
   http://questforum.asq.org/

Rural Telecommunications Congress
   Facilitates the growth and development of rural telecommunications infrastructure, applications, and policy.
   http://ruraltelecon.org/

SASI (France)
   S.A.S.I. works in the domain of telecommunication and data processing, study of tools and instrumentation, realisation of hardware and software equipment.
   http://www.sasi-fr.com/

Telecom Trader
   U.S. network of communications contractors representing a full spectrum of telecommunications services.
   http://www.telecomtrader.com

Telecom.eu.org
   Campaigning for fair telephone charges for all European telephone subscribers.
   http://www.telecom.eu.org/

Telecommunication Association of Michigan
   Association serving Michigan's ILECs, CLECs, wireless providers, cable TV providers, and other firms specializing in the telecommunications industry.
   http://www.telecommich.org

Telecommunications Benchmarking International Group
   TBOG - Business process engineering, leading member companies to exceptional performance and recognition by their customers.
   http://tbig.org/

Telecommunications Executive Network (TEN)
   A networking association for senior executives within the telecommunications industry and its periphery, holding quarterly CEO panel sessions and cocktail receptions
   http://www.gateway10.com/

Telecommunications Industry Association (TIA)
   Full-service trade association representing providers of communications and information technology products and services in the global marketplace.
   http://www.tiaonline.org/

The National Association of Black Telecommunications Professionals, Inc.
   A non-profit organization that provides career development, networking, scholarships, awards, and other services to African American professionals in the telecom industry.
   http://www.nabtp.org

The National Association of Radio and Telecommunications Engineers (NARTE)
   Grants certification in telecommunications, electromagnetic compatibility and electrostatic discharge control. FCC commercial license exams also administered.
   http://www.narte.org/

United States Telephone Association
   Broad based association for the local exchange carrier industry.
   http://www.usta.org/