| Name | ITU-R | ITU-T | ITU-D | Categories |
| AFGHANISTAN |
| Afghan Wireless Communication Company, KABUL | | | X | ROA / OPERATOR |
| ALGERIA |
| Algérie Télécom SPA, ALGER | X | X | X | ROA / OPERATOR |
| Autorité de Régulation de la Poste et des Communications Electroniques (ARPCE), ALGER | X | X | X | OTHER ENTITY / REGULATOR |
| ICOSNET SPA, CHERAGA - ALGER | | | X | ROA |
| ARGENTINA |
| Empresa Argentina de Soluciones Satelitales (AR-SAT S.A.), BUENOS AIRES | ASSOCIATE SG4 | | X | ROA |
| Telefónica de Argentina S.A. (TASA), BUENOS AIRES | | | X | ROA / OPERATOR |
| ARMENIA |
| ''VEON Armenia'' CJSC, YEREVAN | | | X | ROA / OPERATOR |
| AUSTRIA |
| A1 Telekom Austria AG, WIEN | X | X | X | ROA / OPERATOR |
| BAHAMAS |
| Bahamas Telecommunications Company, NASSAU | X | X | X | ROA / SERVICE PROVIDER |
| Cable Bahamas Limited, NASSAU | | | X | ROA / SERVICE PROVIDER |
| BAHRAIN |
| Bahrain Telecommunications Company (BATELCO), MANAMA | | | X | ROA / OPERATOR |
| BANGLADESH |
| Bangladesh Communication Satellite Company Limited (BCSCL), Dhaka | X | X | X | ROA |
| Grameenphone (GP) Limited, DHAKA | | | X | ROA |
| BOSNIA AND HERZEGOVINA |
| BH Telecom, SARAJEVO | | X | X | ROA / OPERATOR |
| BRAZIL |
| Fundação Instituto Nacional de Telecomunicações - FINATEL, SANTA RITA DO SAPUCAÍ | | | X | OTHER ENTITY |
| BRUNEI DARUSSALAM |
| Telekom Brunei Berhad (TelBru) Corporate Affairs, BANDAR SERI BEGAWAN | | | X | ROA |
| BURKINA FASO |
| Office National des Télécommunications (ONATEL), OUAGADOUGOU | | | X | ROA / OPERATOR |
| BURUNDI |
| Econet Leo SA, BUJUMBURA | | | X | ROA / MOBILE OPERATOR |
| Office national des télécommunications du Burundi (ONATEL), BUJUMBURA | | | X | ROA / OPERATOR |
| CAMBODIA |
| CHUAN WEI (Cambodia) Co., Ltd., PHNOM PENH | X | | X | ROA / SERVICE PROVIDER |
| CHINA |
| China International Telecommunication Construction Corporation, BEIJING | | | X | ROA / SERVICE PROVIDER |
| China Telecommunications Corporation, BEIJING | X | X | X | ROA |
| China Unicom, BEIJING | X | X | X | ROA |
| Huawei Technologies Co., Ltd., SHENZHEN | X | X | X | SIO |
| Sharing Mobile Group Co.,Ltd, Beijing | | | X | ROA |
| ZTE Corporation, SHENZHEN, GUANGDONG | X | X | X | SIO |
| COLOMBIA |
| Empresa de Telecomunicaciones de Bogotá S.A. ESP, BOGOTÁ D.C. | | | X | ROA |
| COSTA RICA |
| Instituto Costarricense de Electricidad (ICE), SAN JOSÉ | X | X | X | ROA / OPERATOR |
| CUBA |
| Empresa de Telecomunicaciones de Cuba (ETECSA), LA HABANA | X | X | X | ROA |
| CôTE D'IVOIRE |
| Atlantique Télécom Côte d'Ivoire, ABIDJAN | | X | X | ROA |
| Groupe Défis & Stratégies, ABIDJAN | | | X | OTHER ENTITY |
| National Agency of the Universal Service of Telecommunications/ICT, Abidjan | | | X | OTHER ENTITY |
| VALSCH Consulting, ABIDJAN | | | X | OTHER ENTITY |
| DOMINICAN REP. |
| Compañía Dominicana de Teléfonos, C. por A. (CODETEL), SANTO DOMINGO | | | X | ROA |
| EGYPT |
| National Telecommunication Institute (NTI), CAIRO | | | X | SIO |
| Telecom Egypt, GIZA | | | X | ROA / OPERATOR |
| Vodafone Egypt Telecommunications S.A.E., GIZA | | | X | ROA / OPERATOR |
| ERITREA |
| Eritrea Telecommunication Services Corporation (EriTel), ASMARA | | | X | ROA / OPERATOR |
| FRANCE |
| ATDI, PARIS | X | | X | SIO |
| Eutelsat S.A., PARIS Cédex 15 | X | | X | ROA |
| Nokia France, PARIS | | | X | SIO |
| Office des Postes et Télécommunications de Polynésie française (OPT), PAPEETE | | | X | ROA |
| Orange, PARIS | X | X | X | ROA |
| PMIConseil, LUYNES | | | X | OTHER ENTITY |
| GEORGIA |
| J.S.C Silknet, TBILISI | | | X | ROA |
| GERMANY |
| LS telcom AG, LICHTENAU | X | | X | SIO |
| Rohde & Schwarz GmbH & Co. KG, MÜNCHEN | X | X | X | SIO |
| GHANA |
| Subah Infosolutions Ghana Limited, Accra | X | X | X | OTHER ENTITY |
| GUINEA |
| Guilab, CONAKRY | | | X | ROA |
| INDIA |
| Bharat Sanchar Nigam Ltd. (BSNL), NEW DELHI | X | X | X | ROA |
| Bharti Airtel Limited, GURGAON | X | X | X | ROA / OPERATOR |
| Cellular Operators Association of India (COAI), NEW DELHI | | | X | OTHER ENTITY |
| Reliance Jio Infocomm Limited, NAVI MUMBAI | X | X | X | OTHER ENTITY |
| Telecom Disputes Settlement & Appellate Tribunal (TDSAT), CHANAKYAPURI, NEW DELHI | | | X | OTHER ENTITY |
| Telecom Regulatory Authority of India (TRAI), NEW DELHI | X | X | X | OTHER ENTITY / REGULATOR |
| INDONESIA |
| Masyarakat Telematika Indonesia, Jakarta Pusat | | | X | OTHER ENTITY / PROFESSIONAL ASSOCIA |
| PT. Telekomunikasi Indonesia Tbk, JAKARTA SELATAN | | X | X | ROA |
| IRAN (ISLAMIC REPUBLIC OF) |
| Irancell Telecommunication Services Company, TEHRAN | | | X | ROA |
| Telecommunication Company of Iran (TCI), TEHRAN | X | X | X | ROA |
| IRAQ |
| Atheer Telecom Iraq Limited (Zain), BAGHDAD | | | X | ROA / OPERATOR |
| JAMAICA |
| Digicel Group, KINGSTON | | X | X | ROA |
| JAPAN |
| Fujitsu Limited, Tokyo | X | X | X | SIO |
| Hitachi, Ltd., TOKYO | | X | X | SIO |
| KDDI Corporation, TOKYO | X | X | X | ROA |
| National Institute of Information and Communications Technology (NICT), TOKYO | X | X | X | SIO |
| NEC Corporation, TOKYO | X | X | X | SIO |
| Nippon Telegraph and Telephone East Corporation (NTT East), TOKYO | | | X | ROA |
| Nippon Telegraph and Telephone West Corporation (NTT West), OSAKA | | | X | ROA |
| Nomura Research Institute Ltd., TOKYO | | | X | ROA |
| Panasonic Corporation, OSAKA | X | X | X | SIO |
| The ITU Association of Japan, TOKYO | X | X | X | SIO |
| JORDAN |
| Orange Jordan, AMMAN | | X | X | ROA |
| KAZAKHSTAN |
| JSC Kazakhtelecom, NUR-SULTAN | | | X | ROA |
| KENYA |
| Airtel Networks Kenya Ltd., NAIROBI | | | X | ROA |
| Safaricom Limited, NAIROBI | X | X | X | ROA |
| KOREA (REP. OF) |
| Korea Information Society Development Institute (KISDI), JINCHEON-GUN | | | X | OTHER ENTITY |
| KT Corporation, SEOUL | X | X | X | ROA / OPERATOR |
| National Information Society Agency (NIA), SEOUL | | | X | OTHER ENTITY |
| KUWAIT |
| Kuwait Telecommunication Company (VIVA), SALMIYA | | | X | ROA / OPERATOR |
| KYRGYZSTAN |
| CJSC Alfa Telecom, BISHKEK | | | X | ROA / OPERATOR |
| LEBANON |
| Mobile Interim Company 2, BEYROUTH | | | X | ROA |
| Ogero Telecom, BEIRUT | X | X | X | ROA / OPERATOR |
| Telecommunications Regulatory Authority, BEIRUT | X | X | X | OTHER ENTITY / REGULATOR |
| MALAWI |
| Telekom Networks Malawi Plc, BLANTYRE | | | X | ROA |
| MALAYSIA |
| Altel Communications Sdn Bhd, SELANGOR | | | X | ROA / OPERATOR |
| Axiata Group Berhad, KUALA LUMPUR | | | X | OTHER ENTITY |
| Maxis Broadband Sdn Bhd., KUALA LUMPUR | | | X | ROA |
| MEASAT Satellite Systems Sdn. Bhd., CYBERJAYA | X | | X | ROA |
| Telekom Malaysia Berhad, KUALA LUMPUR | | | X | ROA |
| U Mobile Sdn. Bhd., KUALA LUMPUR | | | X | ROA / OPERATOR |
| webe digital sdn bhd, Jalan Pantai Baharu | | | X | ROA / OPERATOR |
| MALI |
| N-SOFT Technology SA, BAMAKO | | | X | SIO / MANUFACTURER |
| MAURITANIA |
| Mattel, NOUAKCHOTT | | | X | ROA |
| MEXICO |
| América Móvil, S.A.B. de C.V., CIUDAD DE MÉXICO | X | X | X | ROA / OPERATOR |
| Telecomunicaciones de México (TELECOMM), Ciudad de México | X | | X | ROA |
| MOLDOVA |
| JSC 'Moldtelecom', CHISINAU | | | X | ROA |
| MONGOLIA |
| Communications Regulatory Commission of Mongolia, ULAANBAATAR | | | X | OTHER ENTITY / REGULATOR |
| Information Communication Network Company (ICNC), ULAANBAATAR | | | X | ROA |
| MobiCom Corporation, ULAANBAATAR | | | X | ROA / MOBILE OPERATOR |
| MOROCCO |
| Maroc Télécom - Itissalat Al-Maghrib (IAM), RABAT | X | X | X | ROA |
| NEPAL (REPUBLIC OF) |
| Ncell Pvt. Ltd., KATHMANDU | | | X | ROA / OPERATOR |
| Nepal Telecom (Nepal Doorsanchar Company Limited), KATHMANDU | | | X | ROA |
| Nepal Telecommunications Authority (NTA), KATHMANDU | X | X | X | OTHER ENTITY / REGULATOR |
| NETHERLANDS |
| OpenTLD B.V., AMSTERDAM | | | X | OTHER ENTITY |
| SES World Skies, THE HAGUE | X | | X | ROA |
| VEON Ltd., AMSTERDAM | | X | X | ROA |
| NIGERIA |
| MTN Nigeria Communications Limited, LAGOS | | | X | ROA / OPERATOR |
| NORTH MACEDONIA |
| Makedonski Telekom AD - Skopje, SKOPJE | | | X | ROA |
| NORWAY |
| Telenor ASA, FORNEBU | X | X | X | ROA |
| OMAN |
| Oman Telecommunications Company (Omantel), RUWI | X | X | X | ROA |
| Oman Telecommunications Regulatory Authority (TRA), RUWI | X | X | X | OTHER ENTITY / REGULATOR |
| PAKISTAN |
| Center for Strategic and Policy Analysis Technology Policy Commission, KARACHI | | | X | OTHER ENTITY |
| Multinet Pakistan (PVT) Limited, LAHORE | | | X | ROA |
| Pakistan Mobile Communications Limited (PMCL), ISLAMABAD | | | X | ROA / OPERATOR |
| Telenor Pakistan (Pvt) Ltd., ISLAMABAD | | | X | SIO / OPERATOR |
| PANAMA |
| Cable & Wireless Panamá S.A., PANAMÁ | | | X | ROA |
| PAPUA NEW GUINEA |
| Awal Telecommunications Corporation LTD., PORT MORESBY | | | X | ROA / OPERATOR |
| PARAGUAY |
| Compañía Paraguaya de Comunicaciones (COPACO S.A.), ASUNCIÓN | | | X | ROA |
| PERU |
| Organismo Supervisor de Inversión Privada en Telecomunicaciones (OSIPTEL), LIMA | | X | X | OTHER ENTITY / REGULATOR |
| Telefónica del Perú S.A.A., LIMA | | | X | ROA |
| PHILIPPINES |
| Smart Communications, Inc.(SCI), MAKATI CITY | | | X | ROA |
| PORTUGAL |
| MEO - Serviços de Comunicações e Multimédia, S.A., LISBOA | X | X | X | ROA |
| QATAR |
| MADA - Qatar Assistive Technology Center, Doha | | | X | OTHER ENTITY |
| Ooredoo, DOHA | X | X | X | ROA |
| RUSSIAN FEDERATION |
| Coordination Center for TLD.RU, MOSCOW | | | X | OTHER ENTITY |
| INTECH GLOBAL LLC, MOSCOW | | | X | ROA / SERVICE PROVIDER |
| Moscow Technical University of Communication and Informatics (MTUCI), MOSCOW | | | X | OTHER ENTITY |
| SAUDI ARABIA |
| Etihad Atheeb Telecom (EATC), RIYADH | | | X | ROA / OPERATOR |
| Integrated Telecom Company, RIYADH | | | X | ROA / OPERATOR |
| Mobily Company, RIYADH | X | X | X | ROA / OPERATOR |
| Saudi Telecom, RIYADH | X | X | X | ROA |
| Zain Saudi Arabia, RIYADH | | | X | ROA / OPERATOR |
| SENEGAL |
| Expresso Telecom, DAKAR-PONTY | | | X | ROA |
| Initiative Africaine des Technologies Avancées, DAKAR | | | X | OTHER ENTITY / PROFESSIONAL ASSOCIA |
| Le Consortium du Service Universel (CSU), DAKAR MEDINA | | X | X | ROA / OPERATOR |
| Société Nationale des Télécommunications du Sénégal (SONATEL), DAKAR | X | X | X | ROA |
| Tactikom-Africa, DAKAR | | | X | OTHER ENTITY |
| SERBIA |
| Emisiona Tehnika i Veze (ETV), BELGRADE | | | X | ROA |
| SOUTH AFRICA |
| MTN Group Management Services (Pty) Ltd., Cresta | X | ASSOCIATE SG2 | X | ROA |
| Sentech Ltd., HONEYDEW | | | X | ROA |
| Telkom SA SOC Ltd., CENTURION | X | X | X | ROA |
| Vodacom SA (Pty) Limited, MIDRAND | X | X | X | ROA |
| SPAIN |
| Telefónica S.A., MADRID | X | X | X | ROA |
| SUDAN |
| MTN Sudan, KHARTOUM | | | X | ROA / OPERATOR |
| Sudanese Mobile Telephone Company, Zain, KHARTOUM | X | | X | ROA / OPERATOR |
| Sudatel Telecom Group, KHARTOUM | | | X | ROA |
| SWEDEN |
| Telefon AB - LM Ericsson, STOCKHOLM | X | X | X | SIO |
| SWITZERLAND |
| SGS Société Générale de Surveillance SA, GENÈVE | | | X | SIO |
| Swisscom SA, BERNE | X | X | X | ROA |
| SYRIAN ARAB REPUBLIC |
| Syrian Telecom (ST), DAMASCUS | | X | X | ROA / OPERATOR |
| Syriatel Mobile Telecom SA, DAMASCUS | | | X | ROA |
| THAILAND |
| Advanced Info Service Public Co. Ltd., PHYATHAI, BANGKOK | | | X | ROA / OPERATOR |
| Advanced Wireless Network Company Limited, Bangkok | | | X | ROA / OPERATOR |
| Total Access Communication Plc (dtac), BANGKOK | | | X | ROA / OPERATOR |
| True Corporation Public Company Limited, BANGKOK | | | X | ROA |
| TRINIDAD AND TOBAGO |
| Telecommunications Authority of Trinidad and Tobago (TATT), BARATARIA | X | X | X | OTHER ENTITY / REGULATOR |
| TUNISIA |
| Agence Tunisienne d'Internet (ATI), TUNIS | | | X | ROA |
| SFM Technologies, TUNIS | | | X | ROA / SERVICE PROVIDER |
| Smart Tunisian Technoparks, ARIANA | | | X | OTHER ENTITY |
| Tunisie Télécom, TUNIS | | X | X | ROA |
| TURKEY |
| Sigma Telecom (Sigma Telekom ve Haberlesme Tic. Ltd.), Istanbul | | | X | ROA |
| TT Mobil İletişim Hizmetleri AŞ, ISTANBUL | | | X | ROA / OPERATOR |
| Turkcell Iletisim Hizmetleri A.S., ISTANBUL | | X | X | ROA / OPERATOR |
| Türk Telekom A.S., ISTANBUL | X | X | X | ROA |
| UKRAINE |
| Odessa National Academy of Telecommunications n.a. A.S. Popov, ODESSA | | | X | SIO |
| UNITED ARAB EMIRATES |
| Al Yah Satellite Communications (YahSat), ABU DHABI | X | X | X | ROA |
| Emirates Integrated Telecommunications Company PJSC, DUBAI | X | X | X | ROA |
| Emirates Telecommunication Corporation - Etisalat, DUBAI | X | X | X | ROA |
| UNITED KINGDOM |
| ARM Limited, CAMBRIDGE | | ASSOCIATE SG2 | X | ROA / SERVICE PROVIDER |
| Avanti Communications Group Plc, LONDON | X | | X | ROA / OPERATOR |
| Inmarsat Plc., LONDON | X | X | X | ROA |
| Nuix Technology UK Limited, London | | | X | FDI / CONSULTANT |
| OneWeb, LONDON | X | X | X | ROA / SERVICE PROVIDER |
| Vodafone Group Plc., NEWBURY | X | X | X | SIO |
| UNITED STATES |
| Amazon Web Services, Inc., Seattle | | | X | OTHER ENTITY |
| American Tower Corporation, BOSTON | | | X | ROA |
| AT&T, Inc., ATLANTA | X | X | X | ROA |
| Bill & Melinda Gates Foundation, SEATTLE | | X | X | FDI |
| Cisco Systems, Inc., SAN JOSE | X | X | X | SIO |
| Corporation for National Research Initiatives, RESTON | | ASSOCIATE SG17 | X | SIO |
| Deloitte Consulting LLP, ARLINGTON | | | X | OTHER ENTITY |
| Facebook, MENLO PARK | X | | X | SIO |
| Hughes Network Systems, LLC, GERMANTOWN | | | X | ROA |
| Intel Corporation, SANTA CLARA | X | X | X | SIO |
| Intelsat US LLC | X | | X | ROA |
| Iridium Satellite LLC., MCLEAN | X | ASSOCIATE SG2 | X | ROA |
| Lockheed Martin Corporation (LMC), ARLINGTON | X | X | X | ROA |
| Loon LLC, MOUNTAIN VIEW | X | | X | OTHER ENTITY |
| MasterCard, NEW YORK, PURCHASE | | | X | OTHER ENTITY |
| Microsoft Corporation, REDMOND | X | X | X | SIO |
| NortonLifeLock Inc., MOUNTAIN VIEW | | X | X | SIO |
| Omnispace, LLC, TYSONS | | | X | ROA |
| Qualcomm, Inc., SAN DIEGO | X | X | X | SIO |
| Space Exploration Technologies Corp. (SpaceX), Washington D.C. | X | | X | SIO / MANUFACTURER |
| Telecommunications Management Group Inc., ARLINGTON | | | X | OTHER ENTITY |
| The Walt Disney Company, WASHINGTON D.C. | | | X | OTHER ENTITY |
| Verizon Communication Corporation, Basking Ridge | X | X | X | ROA |
| Viasat, Inc., CARLSBAD | X | | X | ROA |
| VENEZUELA |
| Compañía Anónima Nacional Teléfonos de Venezuela (CANTV), CARACAS | X | X | X | ROA |
| VIET NAM |
| Viettel Group, HANOI | X | X | X | ROA |
| YEMEN |
| Public Telecom Corporation (PTC), SANA'A | | | X | ROA |
| Yemen Company for Mobile Telephony-Sabafon, Aden | | | X | ROA |
| ZIMBABWE |
| Econet Wireless (PVT) Ltd., HARARE | | | X | ROA |
| TelOne (Pvt) Limited, HARARE | X | X | X | ROA |
| 204 Sector Members (ITU-R=79, ITU-T=77, ITU-D=204, any=204; Associates: ITU-R=1, ITU-T=4, ITU-D=0, any=5). |
| Name | ITU-R | ITU-T | ITU-D | Categories |
| African Civil Society for the Information Society (ACSIS), DAKAR | | | X | REGINTORG |
| African ICT Consumers Network (AICN), COTONOU | | X | X | REGINTORG |
| African Union of Broadcasting, DAKAR | X | X | X | REGINTORG |
| African Union, ADDIS ABABA | X | X | X | REGINTORG |
| AfriNIC, EBENE | | | X | REGINTORG |
| American Registry for Internet Numbers (ARIN), Centreville | | X | X | REGINTORG |
| Arab Business Forum for Information and Communication Technology, CAIRO | | | X | REGINTORG |
| Arab Information and Communication Technology Organization (AICTO), TUNIS | X | X | X | REGINTORG |
| Arab Private Broadcasting Union, QURTOBA | X | X | X | REGINTORG |
| Arab Regulators Network, ALGIERS | X | X | X | REGINTORG |
| Arab States Broadcasting Union, TUNIS | X | | X | REGINTORG |
| Asia Pacific Network Information Centre, BRISBANE | | | X | REGINTORG |
| Asia-Pacific Broadcasting Union, KUALA LUMPUR | X | X | X | REGINTORG |
| Asia-Pacific Institute for Broadcasting Development, KUALA LUMPUR | | | X | REGINTORG |
| Asociación de Reguladores Administrador del Foro Latinoamericano de Entes Reguladores de Telecomunicaciones, BOGOTA | X | X | X | REGINTORG |
| Asociación Interamericana de Empresas de Telecomunicaciones, MADRID | X | X | X | REGINTORG |
| Association for Progressive Communications, MELVILLE | X | | X | REGINTORG |
| Association of Andean Community Telecommunications Enterprises, QUITO | X | X | X | REGINTORG |
| Associação de Reguladores de Comunicações e Telecomunicações da Comunidade dos Países de Língua Portuguesa (ARCTEL-CPLP), LISBOA | | | X | REGINTORG |
| Associação Empresarial de Comunicações de Portugal, COIMBRA | | | X | REGINTORG |
| Associação Internacional das Comunicações de Expressão Portuguesa, LISBOA | | X | X | REGINTORG |
| Caribbean Broadcasting Union, BRIDGETOWN | X | | X | REGINTORG |
| Centre for Environment and Development for the Arab Region and Europe, CAIRO | | X | X | REGINTORG |
| Child Helpline International, AMSTERDAM | | X | X | REGINTORG |
| Common Market for Eastern and Southern Africa, Lusaka | X | X | X | REGINTORG |
| Commonwealth ITU Group, LONDON | X | X | X | REGINTORG |
| Commonwealth Telecommunications Organisation, LONDON | X | X | X | REGINTORG |
| Communauté économique des Etats de l'Afrique centrale, LIBREVILLE | X | X | X | REGINTORG |
| Consortium d'Appui aux Actions pour la Promotion et le Développement de l'Afrique (CAPDA), DOUALA | | | X | REGINTORG |
| Consumers International, LONDON | | X | X | REGINTORG |
| Cooperation Council for the Arab States of the Gulf, MANAMA | X | X | X | REGINTORG |
| Diaspora africaine pour la société de l'information, ONEX | | | X | REGINTORG |
| Digital Opportunity Trust, OTTAWA | | | X | REGINTORG |
| Digital Radio Mondiale, LONDON | X | | X | REGINTORG |
| Dominic Foundation, PARADISO | | X | X | REGINTORG |
| East African Communications Organization, KIGALI | X | X | X | REGINTORG |
| East African Community, ARUSHA | | | X | REGINTORG |
| Eastern Caribbean Telecommunications Authority, CASTRIES | | | X | REGINTORG |
| Ecole Supérieure Multinationale des Télécommunications, DAKAR | X | X | X | REGINTORG |
| Economic Community for West African States, ABUJA | X | X | X | REGINTORG |
| ECPAT International, Bangkok | | | X | REGINTORG |
| EMEA Satellite Operators Association (ESOA/GSC), BRUSSELS | X | | X | REGINTORG |
| European Broadcasting Union, GRAND-SACONNEX | X | X | X | REGINTORG |
| European Communications Office, COPENHAGEN K | X | X | X | REGINTORG |
| European Competitive Telecommunications Association, BRUSSELS | X | X | X | REGINTORG |
| European Telecommunications Network Operators' Association, BRUSSELS | X | X | X | REGINTORG |
| European Union, BRUSSELS | X | X | X | REGINTORG |
| Fibre to the Home Council Middle East & North Africa (FTTH MENA), AMMAN | | | X | REGINTORG |
| Forum of Incident Response and Security Teams (FIRST), MORRISVILLE | | X | X | REGINTORG |
| FTTH Council Asia-Pacific, SINGAPORE | | | X | REGINTORG |
| G3ict - Global Initiative for Inclusive Information and Communication Technologies, ATLANTA | X | X | X | REGINTORG |
| Global Knowledge Partnership Foundation, GIJON-ASTURIAS | | | X | REGINTORG |
| Global VSAT Forum Limited, London | | | X | REGINTORG |
| GSMA, LONDON | X | X | X | REGINTORG |
| IJMA3-The Arab ICT Organization, BEIRUT | | X | X | REGINTORG |
| Indigenous Peoples ICT Task Force, GENÈVE | | | X | REGINTORG |
| Institute of Electrical and Electronics Engineers, Inc. (IEEE), Piscataway, NJ | X | X | X | REGINTORG |
| International Air Transport Association, MONTREAL | X | X | X | REGINTORG |
| International Amateur Radio Union, NEWINGTON | X | | X | REGINTORG |
| International Center for Promotion of Enterprises, LJUBLJANA | | | X | REGINTORG |
| International Committee of the Red Cross, GENÈVE | X | X | X | REGINTORG |
| International Electrotechnical Commission, GENÈVE 20 | X | X | X | REGINTORG |
| International Federation for Information Processing (IFIP), LAXENBURG | | X | X | REGINTORG |
| International Organization for Standardization, VERNIER, GENEVA | X | X | X | REGINTORG |
| International Telecommunications Satellite Organization, WASHINGTON, DC | X | X | X | REGINTORG |
| International Telecommunications Users Group, KEERBERGEN | | X | X | REGINTORG |
| International Union of Radio Science, GENT | X | X | X | REGINTORG |
| Internet Corporation for Assigned Names and Numbers (ICANN), Los Angels | | | X | REGINTORG |
| Internet Society, GENEVA | | X | X | REGINTORG |
| Internet Systems Consortium, REDWOOD CITY | | X | X | REGINTORG |
| ITU-APT Foundation of India, NEW DELHI | | X | X | REGINTORG |
| Mobile & Wireless Forum IVZW, Merelbeke | | | X | REGINTORG |
| NetHope Inc, FAIRFAX | | | X | REGINTORG |
| Open Geospatial Consortium (OGC), WAYLAND | | X | X | REGINTORG |
| Pacific Islands Telecommunications Association, SUVA | X | X | X | REGINTORG |
| Personal Connected Health Alliance, CHICAGO | X | X | X | REGINTORG |
| Réseaux IP Européens Network Coordination Centre (RIPE NCC), AMSTERDAM | | X | X | REGINTORG |
| SAMENA Telecommunications Council FZ LLC, DUBAI | | | X | REGINTORG |
| Sintesio Foundation, KRANI | | | X | REGINTORG |
| Southern Africa Telecentre Networks, LUSAKA | X | X | X | REGINTORG |
| Southern African Development Community, GABORONE | | | X | REGINTORG |
| Telecentre.org Foundation, QUEZON CITY | | | X | REGINTORG |
| The Abdus Salam International Centre for Theoretical Physics, TRIESTE | | | X | REGINTORG |
| Union Economique et Monétaire Ouest Africaine, OUAGADOUGOU | | X | X | REGINTORG |
| United Kingdom Telecommunications Academy (UKTA), BRACKLEY HATCH | | X | X | REGINTORG |
| WebForce International Federation, NARBONNE | | | X | REGINTORG |
| West Africa Telecommunications Regulators Assembly, ABUJA | X | X | X | REGINTORG |
| World Association of Community Radio Broadcasters, MONTRÉAL | X | | X | REGINTORG |
| World Wide Web Foundation, Washington, DC | | | X | REGINTORG |
| 89 Sector Members (ITU-R=42, ITU-T=53, ITU-D=89, any=89). |
