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

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

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

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

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

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

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/

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

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

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

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

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/

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/

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

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

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/

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

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

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

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

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/

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

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/

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

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/

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

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

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

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

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/

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/

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