| 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 |
| Ecole Nationale Supérieure des Télécommucations et des Technologies de l'information et de la Communication, ORAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| ICOSNET SPA, CHERAGA - ALGER | X | ROA | ||
| ARGENTINA | ||||
| Empresa Argentina de Soluciones Satelitales (AR-SAT S.A.), BUENOS AIRES | ASSOCIATE SG4 | X | ROA | |
| Universidad de Buenos Aires Facultad de Ingeniería, BUENOS AIRES | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Nacional de Córdoba, Córdoba | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Nacional de La Plata, Buenos Aires La Plata | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Tecnológica Nacional, Ciudad Autónoma de Buenos Aires | Academia | Academia | Academia | UNIVERS,RSRCH |
| ARMENIA | ||||
| Telecom Armenia CJSC, YEREVAN | X | ROA / OPERATOR | ||
| AUSTRALIA | ||||
| Free TV Australia Ltd., MOSMAN | X | SIO | ||
| Monash Data Futures Institute Monash University, Clayton | Academia | Academia | Academia | UNIVERS,RSRCH |
| NBN Corporation Limited, Doclands | X | ROA | ||
| RMIT University, MELBOURNE | Academia | Academia | Academia | UNIVERS,RSRCH |
| SingTel Optus Pty Limited, NORTH RYDE | X | ROA | ||
| Symbio Holdings Limited, Sydney | ASSOCIATE SG2 | ROA | ||
| Telstra Limited, MELBOURNE | X | X | ROA / OPERATOR | |
| AUSTRIA | ||||
| A1 Telekom Austria AG, WIEN | X | X | X | ROA / OPERATOR |
| BAHAMAS | ||||
| Cable Bahamas Limited, NASSAU | X | ROA / SERVICE PROVIDER | ||
| BAHRAIN | ||||
| University College of Bahrain, MANAMA | Academia | Academia | Academia | UNIVERS,RSRCH |
| BANGLADESH | ||||
| Bangladesh Communication Satellite Company Limited (BCSCL), Dhaka | X | ROA | ||
| Grameenphone (GP) Limited, DHAKA | X | ROA | ||
| Robi Axiata Limited, DHAKA | ASSOCIATE SG1 | ROA | ||
| World University of Bangladesh, DHAKA | Academia | Academia | Academia | UNIVERS,RSRCH |
| BARBADOS | ||||
| The University of the West Indies Cave Hill School of Business Inc., St. Michael | Academia | Academia | Academia | UNIVERS,RSRCH |
| BELGIUM | ||||
| BICS SA/NV, BRUSSELS | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| Commscope Connectivity Belgium BV, KESSEL-LO | X | SIO | ||
| Cullen International, Brussels | X | SIO | ||
| Dust Mobile, Brussels | ASSOCIATE SG17 | ROA | ||
| Proximus PLC, EVERE HAACHT | X | X | ROA | |
| Voxbone SA, BRUXELLES | ASSOCIATE SG2 | ROA | ||
| BOSNIA AND HERZEGOVINA | ||||
| BH Telecom, SARAJEVO | X | X | ROA / OPERATOR | |
| BRAZIL | ||||
| ADVISIA OC&C Strategy Consultants, SAO PAULO | ASSOCIATE SG1 | OTHER ENTITY / CONSULTANT | ||
| Claro S.A., São Paulo | X | ROA / OPERATOR | ||
| Fundacao CPqD - Centro de Pesquisa e Desenvolvimento em Telecomunicacoes, CAMPINAS | Academia | Academia | Academia | UNIVERS,RSRCH |
| Idea Electronic Systems, Campinas | ASSOCIATE SG15 | SIO | ||
| Multiledgers, Rio de Janeiro | ASSOCIATE SG16 | SIO | ||
| SBA Communications, São Paulo | X | SIO | ||
| Universidade Federal do Para, BELEM, PA | Academia | Academia | Academia | UNIVERS,RSRCH |
| UTC América Latina, RIO DE JANEIRO | ASSOCIATE SG5 | OTHER ENTITY | ||
| BULGARIA | ||||
| BULGARIA SAT, SOFIA | X | ROA / OPERATOR | ||
| EnduroSat, Sofia | ASSOCIATE SG4 | SIO | ||
| BURUNDI | ||||
| Econet Leo SA, BUJUMBURA | X | ROA / MOBILE OPERATOR | ||
| Office national des télécommunications du Burundi (ONATEL), BUJUMBURA | X | ROA / OPERATOR | ||
| CAMEROON | ||||
| Cameroon Telecommunications (CAMTEL), YAOUNDE | X | ROA / OPERATOR | ||
| Ecole Nationale Supérieure des Postes, Télécommunications et TIC, Center, Yaoundé | Academia | Academia | Academia | UNIVERS,RSRCH |
| CANADA | ||||
| AEPONYX Inc., Montreal | ASSOCIATE SG15 | SIO | ||
| Bell Canada, MONTREAL | X | ROA / OPERATOR | ||
| Bell Mobility, MISSISSAUGA | X | SIO | ||
| Ciena Canada, OTTAWA | X | SIO / MANUFACTURER | ||
| Corinex Communications Corporation, VANCOUVER | ASSOCIATE SG15 | SIO | ||
| Ericsson Canada, Inc., ST. LAURENT | X | X | SIO | |
| EXFO Inc., QUEBEC | ASSOCIATE SG15 | SIO | ||
| Hydro-Québec, VARENNES | X | SIO | ||
| InterDigital Canada Ltee, Montreal | X | SIO / MANUFACTURER | ||
| Kepler Communications Inc., Toronto | ASSOCIATE SG4 | ROA | ||
| Renesas Electronics Canada Limited, OTTAWA | ASSOCIATE SG15 | SIO | ||
| Telesat Canada, OTTAWA | X | X | ROA / OPERATOR | |
| TELUS Communications Inc., EDMONTON | X | ROA | ||
| Vecima Networks Inc., Victoria | X | SIO / MANUFACTURER | ||
| CHINA | ||||
| Alibaba China Co. Ltd., HANGZHOU | X | SIO | ||
| Ant Group Co., Ltd., Hangzhou | X | SIO / SERVICE PROVIDER | ||
| Asia Satellite Telecommunications Co. Ltd. (AsiaSat), HONG KONG | X | ROA | ||
| Asiainfo Technologies (China), Inc., Beijing | X | OTHER ENTITY | ||
| Beihang University, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| Beijing Baidu Netcom Science Technology Co., Ltd., BEIJING | X | ROA | ||
| Beijing BizSeer Technology Co. Ltd., Beijing | ASSOCIATE SG13 | SIO | ||
| Beijing Guoxin Digital Transformation Technology Research Institute, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| Beijing Jiaotong University, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| Beijing JiShi HuiTong Technology Co.,Ltd, BEIJING | ASSOCIATE SG9 | SIO | ||
| Beijing Qihu Keji Co., Ltd., BEIJING | X | SIO | ||
| Beijing University of Posts and Telecommunications, BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Beijing Zhongdun Security Technology Group Limited, BEIJING | ASSOCIATE SG16 | SIO | ||
| Big Data Academy, Zhongke, Zhengzhou City | Academia | Academia | Academia | UNIVERS,RSRCH |
| BOE Technology Group Co. Ltd., BEIJING | ASSOCIATE SG16 | SIO | ||
| CAS Quantum Network Co. Ltd., Beijing | X | ROA | ||
| China Branch of BRICS Institute of Future Networks, Shenzhen | Academia | Academia | Academia | UNIVERS,RSRCH |
| China Broadcasting Network Corporation Ltd., BEIJING | X | ROA | ||
| China Electric Power Research Institute, Beijing | ASSOCIATE SG15 | SIO | ||
| China Great Wall Industry Corporation, BEIJING | X | SIO / MANUFACTURER | ||
| China Head Aerospace Technology Co., BEIJING | X | SIO | ||
| China Information Communication Technologies Group, WUHAN | X | X | SIO | |
| China Institute of Communications, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| China International Telecommunication Construction Corporation, BEIJING | X | ROA / SERVICE PROVIDER | ||
| China Mobile Communications Co. Ltd., BEIJING | X | X | ROA / MOBILE OPERATOR | |
| China Satellite Communications Co. Ltd. 21 Floor, Building A,, Beijing | X | ROA | ||
| China Satellite Network Group Co., Ltd, Beijing | X | X | ROA / OPERATOR | |
| China Telecommunications Corporation, BEIJING | X | X | X | ROA |
| China Tower Corporation Limited, HAIDIAN DISTRICT, BEIJING | ASSOCIATE SG5 | ROA / OPERATOR | ||
| China Unicom, BEIJING | X | X | X | ROA |
| China University of Geosciences (Wuhan), Wuhan | Academia | Academia | Academia | UNIVERS,RSRCH |
| Chongqing Changan Automobile Co. Ltd., Chongqing | ASSOCIATE SG16 | SIO | ||
| Chongqing University of Posts and Telecommunications, CHONGQING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Chongqing University, CHONGQING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Companhia de Telecomunicações de Macau S.A.R.L., MACAU | ASSOCIATE SG20 | ROA / OPERATOR | ||
| Computer Network Information Center of the Chinese Academy of Sciences, BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Digital Currency Institute of the People's Bank of China, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| E-merge Digital (Beijing) Technology Group Co., Ltd, Xicheng District, BEIJING | ASSOCIATE SG16 | OTHER ENTITY | ||
| Galaxy Space (Beijing) Technology Co.,Ltd., Beijing | ASSOCIATE SG4 | ROA | ||
| Guangdong DAPU Telecom Technology Co. Ltd., DONGGUAN | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Guangdong OPPO Mobile Telecommunications Corp., Ltd., DongGuan City | X | ASSOCIATE SG16 | SIO | |
| Hangzhou Hikvision Digital Technology Co.,Ltd., Hangzhou | X | SIO | ||
| Hangzhou Qulian Technology Co., Ltd., Hangzhou | ASSOCIATE SG16 | ROA / SERVICE PROVIDER | ||
| Harbin Institute of Technology, Nan Gang District, Harbin | Academia | Academia | Academia | UNIVERS,RSRCH |
| Hengtong Optic-electric Co., Ltd., Suzhou | X | SIO | ||
| Hisense Broadband Multimedia Technologies Co., Ltd., Qingdao | ASSOCIATE SG15 | SIO | ||
| HiSilicon (Shanghai) Technologies CO., Limited, Shanghai | ASSOCIATE SG15 | SIO | ||
| HMN Smart Co., Ltd., Tianjin | ASSOCIATE SG20 | SIO | ||
| HMN Technologies Co. Ltd., Tianjin | ASSOCIATE SG15 | SIO | ||
| Hong Kong Applied Science and Technology Research Institute, Hong Kong | Academia | Academia | Academia | UNIVERS,RSRCH |
| Huawei Technologies Co., Ltd., SHENZHEN | X | X | X | SIO |
| Huayou Digital Culture Technology Research Institute (Xiamen) Co., Ltd., Xiamen | ASSOCIATE SG16 | SIO | ||
| Huazhong University of Science & Technology, WUHAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| Hubei University, WUHAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| Information Science Academy of China Electronics Technology Group Corporation (ISA CETC), BEIJING | X | SIO / R&D INSTITUTION | ||
| Inspur Communications Technology Co., Ltd., Jinan | X | ROA | ||
| Institute of Acoustics of the Chinese Academy of Sciences, BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Institute of Computing Technology Chinese Academy of Sciences, BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Institute of Information Engineering Chinese Academy of Sciences (IIE, CAS), BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Jiangsu Zhongtian Technology Co.,Ltd., JiangSu | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Jinan Institute of Quantum Technology | X | SIO | ||
| LUSTER LightTech Co., Ltd., BEIJING | ASSOCIATE SG16 | SIO | ||
| Nanjing Research Institute of Next-generation Artificial Intelligence, NANJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| Nanjing University of Posts and Telecommunications, NANJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| New H3C Technologies Co., Ltd., Beijing | X | SIO | ||
| Nokia Shanghai Bell Co. Ltd., SHANGHAI | X | X | SIO | |
| Northwestern Polytechnical University, Xi'an | Academia | Academia | Academia | UNIVERS,RSRCH |
| Nufront (Beijing) Technology Group Co. Ltd., BEIJING | X | OTHER ENTITY | ||
| Onchain Solutions (Shanghai Distributed Technology Co., Ltd.), Shanghai | ASSOCIATE SG16 | OTHER ENTITY | ||
| Peng Cheng Laboratory, Shenzhen | Academia | Academia | Academia | UNIVERS,RSRCH |
| Purple Mountain Laboratories, Nanjing | Academia | Academia | Academia | UNIVERS,RSRCH |
| QuantumCTek Co., Ltd., Beijing | X | SIO | ||
| Renmin University of China, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| Shanghai Advanced Research Inst, Shanghai | Academia | Academia | Academia | UNIVERS,RSRCH |
| Sharing Mobile Group Co.,Ltd, Beijing | X | ROA | ||
| Shenyang Institute of Automation Chinese Academy of Sciences, SHENYANG | Academia | Academia | Academia | UNIVERS,RSRCH |
| Shenzhen OLYM Information Security Technology Co. Ltd., SHENZHEN | ASSOCIATE SG17 | OTHER ENTITY | ||
| Shenzhen Skyworth Digital Technology Co. Ltd., SHENZHEN | ASSOCIATE SG9 | SIO | ||
| Shenzhen SmartMore Technology Co., Ltd., Shenzhen | ASSOCIATE SG16 | SIO | ||
| Shenzhen Transsion Holdings Co. Limited, Shanghai | ASSOCIATE SG16 | SIO / MANUFACTURER | ||
| Shuangdeng Group Co., Ltd. (Chinashoto), Taizhou | ASSOCIATE SG5 | SIO / MANUFACTURER | ||
| StarTimes Software Technology Co. Ltd., BEIJING | ASSOCIATE SG1 | SIO / MANUFACTURER | ||
| State Grid Beijing Electric Power Research Institute, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| State Grid Corporation of China, Beijing | X | OTHER ENTITY | ||
| State Grid Hubei Electric Power Research Institute, Wuhan | Academia | Academia | Academia | UNIVERS,RSRCH |
| State Grid Information & Telecommunication Group Co., Ltd., Changping District, Beijing | ASSOCIATE SG2 | SIO | ||
| State Grid Jiangsu Electric Power Research Institute, Nanjing | Academia | Academia | Academia | UNIVERS,RSRCH |
| State Grid Zhejiang Electric Power Co., Ltd. Research Institute, Hangzhou | Academia | Academia | Academia | UNIVERS,RSRCH |
| System Engineering Research Institute, Beijing | ASSOCIATE SG20 | SIO | ||
| SZ DJI Technology Co. Ltd., SHENZHEN | X | SIO | ||
| Telematics Industry Application Alliance, Daxing District, Beijing | X | OTHER ENTITY | ||
| Tencent Technology (Shenzhen) Company Limited, Shenzhen | X | ROA | ||
| Tongji University, Shanghai | Academia | Academia | Academia | UNIVERS,RSRCH |
| Tourism College of Zhejiang, Hangzhou City | Academia | Academia | Academia | UNIVERS,RSRCH |
| Tsinghua University, BEIJING | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Electronic Science and Technology of China, Chengdu | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Science and Technology Beijing, Beijing | Academia | Academia | Academia | UNIVERS,RSRCH |
| VisionVera Information Technology Co. Ltd., Beijing | ASSOCIATE SG16 | SIO | ||
| Vivo Mobile Communication Co., Ltd., Dongguan | X | SIO / MANUFACTURER | ||
| Wangsu Science & Technology Co. Ltd., SHANGHAI | ASSOCIATE SG16 | ROA | ||
| Wuhan Rayton Network Technology Co. Ltd, WUHAN | ASSOCIATE SG13 | ROA | ||
| Wuhan University, Wuhan | Academia | Academia | Academia | UNIVERS,RSRCH |
| Xi'an Jiaotong University, Xi'an | Academia | Academia | Academia | UNIVERS,RSRCH |
| Yangtze Optical Fibre and Cable Joint Stock Limited Company, WUHAN | ASSOCIATE SG15 | SIO | ||
| Zhejiang Dahua Technology Co. Ltd., HANGZHOU | X | SIO | ||
| Zhejiang Lab, Hangzhou | Academia | Academia | Academia | UNIVERS,RSRCH |
| Zhejiang University, HANGZHOU | Academia | Academia | Academia | UNIVERS,RSRCH |
| ZTE Corporation, SHENZHEN, GUANGDONG | X | X | X | SIO |
| COLOMBIA | ||||
| Empresa de Telecomunicaciones de Bogotá S.A. ESP, BOGOTÁ D.C. | X | ROA | ||
| Universidad Distrital Francisco José de Caldas, BOGOTÁ | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Santo Tomás, BOGOTÁ | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universitaria Agustiniana, BOGOTÁ | Academia | Academia | Academia | UNIVERS,RSRCH |
| COSTA RICA | ||||
| Instituto Costarricense de Electricidad (ICE), SAN JOSÉ | X | X | X | ROA / OPERATOR |
| CROATIA | ||||
| Faculty of Maritime Studies, University of Rijeka, Rijeka | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Zagreb Faculty of Electrical Engineering and Computing, ZAGREB | Academia | Academia | Academia | UNIVERS,RSRCH |
| CUBA | ||||
| Empresa de Telecomunicaciones de Cuba (ETECSA), LA HABANA | X | X | X | ROA |
| Universidad de las Ciencias Informáticas (UCI), MUNICIPO BOYEROS, LA HABANA | Academia | Academia | Academia | UNIVERS,RSRCH |
| CYPRUS | ||||
| MTX Connect Ltd, LIMASSOL | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| CZECH REPUBLIC | ||||
| CEZ Distribuce, a.s., Děčín | ASSOCIATE SG15 | OTHER ENTITY | ||
| CôTE D'IVOIRE | ||||
| Ecole supérieure africaine des TIC (ESATIC), ABIDJAN 18 | Academia | Academia | Academia | UNIVERS,RSRCH |
| Groupe Défis & Stratégies, ABIDJAN | X | OTHER ENTITY | ||
| Moov Africa Côte d’Ivoire, ABIDJAN | X | X | ROA | |
| National Agency of the Universal Service of Telecommunications/ICT, Abidjan | X | OTHER ENTITY | ||
| DEM. REP. OF THE CONGO | ||||
| Promotion de la Technologie, KINSHASA | ASSOCIATE SG2 | OTHER ENTITY | ||
| DENMARK | ||||
| GN Audio A/S, BALLERUP | ASSOCIATE SG12 | SIO / MANUFACTURER | ||
| Hottinger Brüel & Kjaer A/S, NAERUM | ASSOCIATE SG12 | SIO | ||
| Maersk Line A/S, Copenhagen | ASSOCIATE SG2 | OTHER ENTITY | ||
| Onomondo ApS, Copenhagen | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Vattenfall Vindkraft A/S, Kolding | ASSOCIATE SG2 | ROA | ||
| DOMINICAN REP. | ||||
| CLARO DOMINICANA (Compañía Dominicana de Teléfonos, S.A.), SANTO DOMINGO | X | ROA | ||
| Instituto Tecnológico de Santo Domingo, SANTO DOMINGO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Autónoma de Santo Domingo, SANTO DOMINGO | Academia | Academia | Academia | UNIVERS,RSRCH |
| ECUADOR | ||||
| Centro Internacional de Investigación Científica en Telecomunicaciones, Tecnologías de la Información y las Comunicaciones - CITIC, SANGOLQUÍ | Academia | Academia | Academia | UNIVERS,RSRCH |
| Escuela Politécnica Nacional, QUITO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad de las Américas, PICHINCHA, QUITO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universidad Técnica del Norte, Ibarra | Academia | Academia | Academia | UNIVERS,RSRCH |
| EGYPT | ||||
| Academy of Scientific Research & Technology, CAIRO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Telecom Egypt, GIZA | X | ROA / OPERATOR | ||
| The Egyptian Satellite Company (Nilesat), GIZA | X | ROA | ||
| Vodafone Egypt Telecommunications S.A.E., GIZA | X | ROA / OPERATOR | ||
| EQUATORIAL GUINEA | ||||
| Guinea Ecuatorial de Telecomunicaciones, Sociedad Anonima, A.P. 494 MALABO | X | ROA / OPERATOR | ||
| ERITREA | ||||
| Eritrea Telecommunication Corporation Sh. Co. (EriTel), ASMARA | X | ROA / OPERATOR | ||
| ESTONIA | ||||
| Narayana OÜ, Tallinn | ASSOCIATE SG2 | ROA | ||
| Sevana OÜ, Tallinn | ASSOCIATE SG12 | OTHER ENTITY | ||
| FINLAND | ||||
| HMD Global Oy, Espoo | ASSOCIATE SG2 | SIO | ||
| Nokia Corporation, HELSINKI | X | X | X | SIO |
| FRANCE | ||||
| Afnic, Montigny le Bretonneux | X | X | OTHER ENTITY | |
| AIRBUS GROUP, BLAGNAC CEDEX | X | SIO | ||
| Airnity, Antibes | ASSOCIATE SG2 | ROA | ||
| ATDI, PARIS | X | X | SIO | |
| BJT PARTNERS SAS, Montrouge | ASSOCIATE SG2 | SIO | ||
| Bouygues Telecom, MEUDON LA FORÊT | ASSOCIATE SG5 | ASSOCIATE SG2 | ROA | |
| E-Space SAS, Toulouse | X | ROA / OPERATOR | ||
| Enedis, NANTERRE | ASSOCIATE SG15 | OTHER ENTITY | ||
| Eutelsat S.A., ISSY-LES-MOULINEAUX | X | X | ROA | |
| Fondation B-COM, Cesson-Sevigne | ASSOCIATE SG13 | SIO / R&D INSTITUTION | ||
| FraudBuster, Paris | ASSOCIATE SG3 | SIO | ||
| Halys SAS, Issy Les Moulineaux | ASSOCIATE SG2 | SIO | ||
| InfoVista SAS, LES ULIS | ASSOCIATE SG12 | OTHER ENTITY | ||
| Institut Mines-Télécom, Palaiseau cedex | Academia | Academia | Academia | UNIVERS,RSRCH |
| IRT SystemX, PALAISEAU | Academia | Academia | Academia | UNIVERS,RSRCH |
| Legos, PARIS | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Metanoia Communications Europe, La Valette-du-Var | ASSOCIATE SG15 | SIO | ||
| Office des Postes et Télécommunications de Nouvelle-Calédonie, NOUMEA CEDEX | X | ROA / OPERATOR | ||
| Office des Postes et Télécommunications de Polynésie française (OPT), PAPEETE | X | ROA | ||
| OLEDCOMM, Vélizy-Villacoublay | ASSOCIATE SG15 | SIO | ||
| Opale Systems, LES ULIS | ASSOCIATE SG12 | SIO | ||
| Orange, PARIS | X | X | X | ROA |
| Planet Network International, LABEGE | ASSOCIATE SG12 | SIO | ||
| SAGEMCOM BROADBAND SAS, RUEIL-MALMAISON CÉDEX | X | SIO | ||
| Stellar Telecommunications, Meudon | ASSOCIATE SG4 | SIO / SERVICE PROVIDER | ||
| TDF Group, MONTROUGE | X | SIO | ||
| Thales SA, LA DÉFENSE CEDEX | X | SIO | ||
| Thales SIX GTS France SAS, GENNEVILLIERS CEDEX | ASSOCIATE SG17 | SIO | ||
| TRANSATEL, PUTEAUX | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Université de Bordeaux, Talence Cedex | Academia | Academia | Academia | UNIVERS,RSRCH |
| Vantiva SA, Paris | X | SIO | ||
| GEORGIA | ||||
| Georgian Technical University, TBILISI | Academia | Academia | Academia | UNIVERS,RSRCH |
| GERMANY | ||||
| 1NCE GmbH, Cologne | ASSOCIATE SG2 | ROA | ||
| AVM Audiovisuelles Marketing und Computersysteme GmbH, BERLIN | ASSOCIATE SG15 | ROA / MANUFACTURER | ||
| Bayernwerk AG, REGENSBURG | X | OTHER ENTITY | ||
| Cerence GmbH, Aachen | ASSOCIATE SG12 | OTHER ENTITY | ||
| DENIC eG, FRANKFURT AM MAIN | ASSOCIATE SG2 | OTHER ENTITY | ||
| Deutsche Telekom AG, Bonn | X | X | ROA | |
| Deutsche Welle, BONN | X | ROA | ||
| EMnify GmbH, BERLIN | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Focus Infocom Ges. F. Informatik u. Telekomm. mbH, Darmstadt | ASSOCIATE SG12 | SIO | ||
| Fraunhofer HHI & IIS, BERLIN | X | SIO | ||
| HEAD Acoustics GmbH, HERZOGENRATH | ASSOCIATE SG12 | SIO | ||
| Heraeus Quarzglas GmbH & Co. KG, HANAU | ASSOCIATE SG15 | SIO | ||
| Huawei Technologies Düsseldorf GmbH, MUNICH | X | SIO | ||
| Ilmenau University of Technology (TU Ilmenau), Ilmenau | Academia | Academia | Academia | UNIVERS,RSRCH |
| International Audio Laboratories Erlangen, Erlangen | Academia | Academia | Academia | UNIVERS,RSRCH |
| Keysight Technologies Deutschland GmbH, BOEBLINGEN | ASSOCIATE SG15 | SIO | ||
| Konrad-Adenauer-Stiftung, Berlin | Academia | Academia | Academia | UNIVERS,RSRCH |
| LS telcom AG, LICHTENAU | X | X | SIO | |
| Meinberg Funkuhren GmbH & Co.KG, BAD PYRMONT | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Mimi Hearing Technologies GmbH, Berlin | ASSOCIATE SG16 | SIO | ||
| Narda Safety Test Solutions GmbH, PFULLINGEN | ASSOCIATE SG1 | ASSOCIATE SG5 | OTHER ENTITY / MANUFACTURER | |
| Norddeutscher Rundfunk (NDR), HAMBURG | X | ROA | ||
| Opticom GmbH, ERLANGEN | ASSOCIATE SG12 | SIO | ||
| Power Plus Communications AG, MANNHEIM | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Rivada Space Networks GmbH, München | X | ROA / OPERATOR | ||
| Robert Bosch GmbH, Stuttgart | X | X | SIO | |
| Rohde & Schwarz GmbH & Co. KG, MÜNCHEN | X | X | X | SIO |
| RWTH Aachen University, AACHEN | Academia | Academia | Academia | UNIVERS,RSRCH |
| SAP, WALLDORF | X | ROA | ||
| Sennheiser Electronic GmbH & Co. KG, WEDEMARK | X | SIO | ||
| SkyFive AG, Taufkirchen | ASSOCIATE SG2 | SIO | ||
| TDK Electronics AG, BERLIN | X | SIO | ||
| Telefónica Germany GmbH & Co. OHG, MÜNCHEN | X | ROA | ||
| TU Berlin, BERLIN | Academia | Academia | Academia | UNIVERS,RSRCH |
| umlaut communications GmbH, AACHEN | ASSOCIATE SG12 | OTHER ENTITY | ||
| Viavi Solutions Deutschland GmbH, ENINGEN, U.A. | X | SIO | ||
| Vodafone GmbH, DÜSSELDORF | X | ROA | ||
| VOLKSWAGEN AG, Wolfsburg | X | OTHER ENTITY | ||
| Zweites Deutsches Fernsehen, MAINZ | X | ROA | ||
| GHANA | ||||
| Global Voice Group, Accra | X | OTHER ENTITY | ||
| Kwame Nkrumah University of Science and Technology, KUMASI | Academia | Academia | Academia | UNIVERS,RSRCH |
| Subah Infosolutions Ghana Limited, Accra | X | OTHER ENTITY | ||
| GREECE | ||||
| Raycap SA, ATHENS | ASSOCIATE SG5 | SIO / MANUFACTURER | ||
| GUATEMALA | ||||
| Universidad Galileo, GUATEMALA | Academia | Academia | Academia | UNIVERS,RSRCH |
| HUNGARY | ||||
| Banktel Kommunikációs Zrt., Budapest | ASSOCIATE SG2 | SIO | ||
| Szechenyi Istvan University, Gyor | Academia | Academia | Academia | UNIVERS,RSRCH |
| ICELAND | ||||
| IMC Ísland, REYKJAVIK | ASSOCIATE SG2 | ROA / OPERATOR | ||
| INDIA | ||||
| Bharat Sanchar Nigam Ltd. (BSNL), NEW DELHI | X | ROA | ||
| Bharti Airtel Limited, GURGAON | X | X | X | ROA / OPERATOR |
| Broadband India Forum, New Delhi | ASSOCIATE SG2 | OTHER ENTITY | ||
| Centre for Development of Telematics, NEW DELHI | Academia | Academia | Academia | UNIVERS,RSRCH |
| Defense Electronics Application Laboratory (DEAL) - DRDO, Dehradun | ASSOCIATE SG4 | OTHER ENTITY / R&D INSTITUTION | ||
| Dhruva Space Private Limited, Hyderabad | ASSOCIATE SG4 | SIO | ||
| Indian Institute of Management Kashipur, Kashipur, Uttarakhand | Academia | Academia | Academia | UNIVERS,RSRCH |
| Indian Institute of Science, Bangalore | Academia | Academia | Academia | UNIVERS,RSRCH |
| Indian Institute of Technology Hyderabad, Sangareddy, Telangana | Academia | Academia | Academia | UNIVERS,RSRCH |
| Indian Institute of Technology Madras, Chennai | Academia | Academia | Academia | UNIVERS,RSRCH |
| National Law University Delhi, NEW DELHI | Academia | Academia | Academia | UNIVERS,RSRCH |
| Reliance Jio Infocomm Limited, NAVI MUMBAI | X | X | X | ROA |
| Sterlite Technologies Limited, AURANGABAD | X | SIO | ||
| Telecom Centres of Excellence (TCOE) India, NEW DELHI | Academia | Academia | Academia | UNIVERS,RSRCH |
| 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 |
| Telecommunications Standards Development Society, India (TSDSI), New Delhi | X | X | OTHER ENTITY | |
| Visvesvaraya National Institute of Technology (VNIT) Nagpur, Nagpur | Academia | Academia | Academia | UNIVERS,RSRCH |
| INDONESIA | ||||
| Mukti Mandiri Lestari, Bekasi | ASSOCIATE SG5 | SIO / SERVICE PROVIDER | ||
| PT Bank Rakyat Indonesia, JAKARTA | X | FDI | ||
| PT. Telekomunikasi Indonesia Tbk, JAKARTA SELATAN | X | X | ROA | |
| IRAN (ISLAMIC REPUBLIC OF) | ||||
| ICT Research Institute, TEHRAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| IoT Academy, Tehran | Academia | Academia | Academia | UNIVERS,RSRCH |
| Iran University of Science & Technology, NARMAK, TEHRAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| Irancell Telecommunication Services Company, TEHRAN | X | ROA | ||
| Mobile Communication Company of Iran, TEHRAN | X | X | ROA | |
| Tarbiat Modares University, Tehran | Academia | Academia | Academia | UNIVERS,RSRCH |
| Telecommunication Company of Iran (TCI), TEHRAN | X | X | X | ROA |
| University of Tehran, Tehran | Academia | Academia | Academia | UNIVERS,RSRCH |
| IRAQ | ||||
| Atheer Telecom Iraq Limited (Zain), BAGHDAD | X | ROA / OPERATOR | ||
| IRELAND | ||||
| Cubic Telecom Ltd., DUBLIN | ASSOCIATE SG2 | ROA | ||
| DeviceAtlas Ltd., Dublin | ASSOCIATE SG11 | ROA | ||
| DIDWW Ireland Limited, Malahide | ASSOCIATE SG2 | ROA | ||
| Speedchecker Ltd., Dublin | ASSOCIATE SG12 | ROA / SERVICE PROVIDER | ||
| ISRAEL | ||||
| Beezz Communication Sol. Ltd., PETACH TIKVA | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| Integration Silicon Solution Israel ISSI, TEL AVIV | X | SIO | ||
| RAD Data Communications, Ltd., TEL AVIV | ASSOCIATE SG15 | SIO | ||
| Retym, Tel Aviv | ASSOCIATE SG15 | SIO | ||
| Vaulto Communication Technologies Ltd., Tel Aviv | ASSOCIATE SG11 | SIO | ||
| Webbing, Petah Tikva | ASSOCIATE SG2 | SIO | ||
| ITALY | ||||
| Afinna One Srl, ROME | ASSOCIATE SG2 | ROA | ||
| Confindustria Radio Televisioni, Roma | ASSOCIATE SG6 | OTHER ENTITY | ||
| Consorzio Nazionale Interuniversitario per le Telecomunicazioni CNIT, PARMA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Deloitte Risk Advisory S.r.l., Milano | X | OTHER ENTITY | ||
| FastWeb S.p.A., MILANO NEXXT | X | ROA | ||
| Fondazione Ugo Bordoni, ROMA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Institute of Communication, Information and Perception Technologies - Scuola Superiore Sant'Anna, PISA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Intermatica S.p.A., ROME | X | OTHER ENTITY | ||
| Prysmian SpA, MILANO | X | SIO | ||
| RAI - Radiotelevisione Italiana S.p.A., ROMA | X | ROA / OPERATOR | ||
| Rai Way S.p.A., ROMA | X | ROA | ||
| SM Optics s.r.l., MILAN | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| STMicroelectronics, AGRATE BRIANZA | X | SIO | ||
| Telecom Italia S.p.A., ROMA | X | X | ROA | |
| Telecom Italia Sparkle S.p.A., ROMA | ASSOCIATE SG2 | ROA | ||
| Telespazio S.p.A., ROMA | X | ROA | ||
| Wind Tre S.p.A., ROMA | X | X | ROA | |
| JAMAICA | ||||
| Digicel Group, KINGSTON | X | X | ROA | |
| JAPAN | ||||
| Advanced Telecommunications Research Institute International, Kyoto | ASSOCIATE SG17 | SIO | ||
| Anritsu Corporation, KANAGAWA | ASSOCIATE SG15 | SIO / R&D INSTITUTION | ||
| Broadcasting Satellite System Corporation (B-SAT), TOKYO | X | ROA | ||
| CANON Inc., TOKYO | ASSOCIATE SG6 | ASSOCIATE SG16 | SIO | |
| Communication Line Products Association of Japan, TOKYO | ASSOCIATE SG15 | SIO | ||
| Denso Corporation, Kariya | X | SIO | ||
| Fujitsu Limited, Tokyo | X | X | X | SIO |
| Hitachi Kokusai Electric Inc., Tokyo | X | SIO | ||
| Hitachi, Ltd., TOKYO | X | X | SIO | |
| Internet Initiative Japan Inc., TOKYO | ASSOCIATE SG3 | ROA | ||
| Japan Advanced Institute of Science and Technology, NOMI | Academia | Academia | Academia | UNIVERS,RSRCH |
| Japan Aerospace Exploration Agency (JAXA), TOKYO | X | SIO | ||
| Japan Cable Laboratories, CHUO-KU, TOKYO | ASSOCIATE SG9 | SIO | ||
| Japan Industrial Imaging Association, Tokyo | ASSOCIATE SG16 | OTHER ENTITY | ||
| Japan Radio Air Navigation Systems Association, TOKYO | X | SIO | ||
| Japan Radio Co. Ltd., TOKYO | X | SIO | ||
| Kanazawa Institute of Technology, NONOICHI | Academia | Academia | Academia | UNIVERS,RSRCH |
| KDDI Corporation, TOKYO | X | X | X | ROA |
| Keio University, TOKYO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Kyoto University, KYOTO | Academia | Academia | Academia | UNIVERS,RSRCH |
| MCC Corporation, TOKYO | ASSOCIATE SG4 | SIO | ||
| Mitsubishi Electric Corporation, TOKYO | X | X | ASSOCIATE SG1 | SIO |
| Mitsubishi Research Institute, Inc., TOKYO | ASSOCIATE SG1 | SIO | ||
| Murata Manufacturing Company Ltd., NAGAOKAKYO-SHI | X | ASSOCIATE SG15 | SIO | |
| National Institute of Information and Communications Technology (NICT), TOKYO | X | X | X | SIO |
| NEC Corporation, TOKYO | X | X | X | SIO |
| Nippon Hoso Kyokai (NHK) (Japan Broadcasting Corporation), TOKYO | X | X | ROA | |
| Nippon Telegraph and Telephone Corporation (NTT), TOKYO | 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 | ||
| NTT Communications Corporation, TOKYO | X | X | ROA | |
| NTT Comware Corporation, CHIBA | X | SIO | ||
| NTT DOCOMO, INC., TOKYO | X | X | ROA | |
| Oki Electric Industry Company Ltd. (OKI), TOKYO | X | X | SIO | |
| Panasonic Holdings Corporation, OSAKA | X | X | X | SIO |
| Rakuten Mobile, Inc., Tokyo | X | X | ROA | |
| Renesas Electronics Corporation, TOKYO | ASSOCIATE SG16 | SIO | ||
| SEISA University, Yokohama, Kanagawa | Academia | Academia | Academia | UNIVERS,RSRCH |
| Sharp Corporation, CHIBA | X | X | SIO | |
| Shinshu University, Matsumoto | Academia | Academia | Academia | UNIVERS,RSRCH |
| SKY Perfect JSAT Corporation, TOKYO | X | ROA | ||
| SoftBank Corporation, TOKYO | X | X | X | ROA |
| Sony Group Corporation, TOKYO | X | X | SIO | |
| Sony Network Communications Inc., TOKYO | X | ROA / SERVICE PROVIDER | ||
| Sumitomo Electric Industries, Ltd., OSAKA | X | SIO | ||
| The ITU Association of Japan, TOKYO | X | X | X | SIO |
| The Japan Commercial Broadcasters Association, TOKYO | X | ROA / BROADCASTING SERVICE | ||
| The University of Tokyo, TOKYO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Tokyo Institute of Technology, Tokyo | Academia | Academia | Academia | UNIVERS,RSRCH |
| Toshiba Corporation, MINATO-KU, TOKYO | X | X | SIO | |
| Waseda University, TOKYO | Academia | Academia | Academia | UNIVERS,RSRCH |
| JORDAN | ||||
| Arab States Research and Education Network - ASREN, AMMAN | Academia | Academia | Academia | OTHER ENTITY |
| Orange Jordan, AMMAN | X | X | ROA | |
| KAZAKHSTAN | ||||
| JSC Kazakhtelecom, NUR-SULTAN | X | ROA | ||
| Nazarbayev University, NUR-SULTAN | Academia | Academia | Academia | UNIVERS,RSRCH |
| Private Institution Kostanay Engineering and Economics University named after M. Dulatov, Kostanay | Academia | Academia | Academia | UNIVERS,RSRCH |
| KENYA | ||||
| African Advanced Level Telecommunications Institute, NAIROBI | Academia | Academia | Academia | UNIVERS,RSRCH |
| Airtel Networks Kenya Ltd., NAIROBI | X | ROA | ||
| Safaricom Limited, NAIROBI | X | X | X | ROA |
| Silensec Africa Limited, NAIROBI | ASSOCIATE SG2 | OTHER ENTITY | ||
| KOREA (REP. OF) | ||||
| Daejeon University, Daejeon | Academia | Academia | Academia | UNIVERS,RSRCH |
| Electronics and Telecommunications Research Institute (ETRI), DAEJEON | X | X | SIO | |
| Hankuk University of Foreign Studies, Gyeonggi-do | Academia | Academia | Academia | UNIVERS,RSRCH |
| Hyundai Mobis Co., Ltd., Seoul | ASSOCIATE SG12 | SIO | ||
| Hyundai Motor Company, GYEONGGI-DO | X | OTHER ENTITY | ||
| Korea Advanced Institute of Science and Technology (KAIST), DAEJEON | Academia | Academia | Academia | UNIVERS,RSRCH |
| Korea Information Society Development Institute (KISDI), JINCHEON-GUN | X | OTHER ENTITY | ||
| Korea Internet & Security Agency (KISA)., SEOUL | ASSOCIATE SG17 | ROA | ||
| Korea University, Sejong | Academia | Academia | Academia | UNIVERS,RSRCH |
| KT Corporation, SEOUL | X | X | X | ROA / OPERATOR |
| LG Electronics, Inc. Advanced Standard R&D Lab., SEOUL | X | SIO | ||
| LG Uplus, SEOUL | X | X | ROA | |
| Samsung Electronics Co., Ltd., SEOUL | X | X | SIO | |
| SK Telecom, SEOUL | X | X | ROA | |
| Soonchunhyang University, CHUNGCHEONGNAM ASAN-SI | Academia | Academia | Academia | UNIVERS,RSRCH |
| KUWAIT | ||||
| Kuwait Telecommunication Company (STC), SALMIYA | X | ROA / OPERATOR | ||
| Mobile Telecommunications Company K.S.C.P., SAFAT | X | ROA | ||
| LEBANON | ||||
| Mobile Interim Company 2, BEYROUTH | X | ROA | ||
| Ogero Telecom, BEIRUT | X | ROA / OPERATOR | ||
| Telecommunications Regulatory Authority, BEIRUT | X | X | OTHER ENTITY / REGULATOR | |
| LESOTHO | ||||
| Econet Telecom Lesotho, MASERU | X | ROA | ||
| LIBYA | ||||
| Libyana Mobile Phone, TRIPOLI | X | X | ROA / OPERATOR | |
| LIECHTENSTEIN | ||||
| Globalmatix AG, Vaduz | ASSOCIATE SG2 | SIO | ||
| LITHUANIA | ||||
| NRD Cyber Security (CS), VILNIUS | X | OTHER ENTITY | ||
| LUXEMBOURG | ||||
| Millicom International Cellular S.A., Luxembourg | X | ROA | ||
| SES, BETZDORF | X | ROA | ||
| Vast New Telecom SA, Roeser | ASSOCIATE SG2 | SIO | ||
| MALAWI | ||||
| Telekom Networks Malawi Plc, BLANTYRE | X | ROA | ||
| MALAYSIA | ||||
| AngkasaX Innovation Sdn Bhd, Georgetown, Penang | ASSOCIATE SG4 | SIO | ||
| Axiata Group Berhad, KUALA LUMPUR | X | OTHER ENTITY | ||
| Celcom Axiata Berhad, KUALA LUMPUR | X | ROA | ||
| Digital Nasional Berhad, WP Kuala Lumpur | X | X | ROA | |
| FNS (M) Sdn Bhd, KUALA LUMPUR | ASSOCIATE SG17 | SIO / SERVICE PROVIDER | ||
| Maxis Broadband Sdn Bhd., KUALA LUMPUR | X | ROA | ||
| MEASAT Satellite Systems Sdn. Bhd., CYBERJAYA | X | X | ROA | |
| Multimedia University, CYBERJAYA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Telekom Malaysia Berhad, KUALA LUMPUR | X | ROA | ||
| TM Technology Services Sdn. Bhd. (formerly known as WEBE DIGITAL SDN. BHD), Kuala Lumpur | X | ROA / OPERATOR | ||
| U Mobile Sdn. Bhd., KUALA LUMPUR | X | ROA / OPERATOR | ||
| XOX Com Sdn Bhd, PETALING JAYA | ASSOCIATE SG3 | ROA | ||
| MALI | ||||
| N-SOFT Technology SA, BAMAKO | X | SIO / MANUFACTURER | ||
| MAURITANIA | ||||
| Mattel, NOUAKCHOTT | X | ROA | ||
| MAURITIUS | ||||
| Liquid Intelligent Technologies Group, Ebene | X | SIO | ||
| MEXICO | ||||
| América Móvil, S.A.B. de C.V., CIUDAD DE MÉXICO | X | X | X | ROA / OPERATOR |
| Center for Technical and Higher Education (CETYS University), Mexicali | Academia | Academia | Academia | UNIVERS,RSRCH |
| Centro de Investigación Cientifica y de Educación Superior de Ensenada, B.C., MÉXICO D.F. | Academia | Academia | Academia | UNIVERS,RSRCH |
| Centro México Digital, Ciudad de México | Academia | Academia | Academia | UNIVERS,RSRCH |
| EFTS Group, Mexico City | ASSOCIATE SG12 | OTHER ENTITY | ||
| Instituto Politécnico Nacional (IPN), MÉXICO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Mediafon de Mexico, Mexico City | ASSOCIATE SG11 | X | SIO | |
| Telecomunicaciones de México (TELECOMM), Ciudad de México | X | X | ROA | |
| MOLDOVA | ||||
| JSC 'Moldtelecom', CHISINAU | X | ROA | ||
| MONACO | ||||
| Monaco Télécom, MONACO | ASSOCIATE SG2 | ROA / OPERATOR | ||
| 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 |
| MOZAMBIQUE | ||||
| KAMALEON, Maputo | ASSOCIATE SG16 | X | SIO | |
| NEPAL (REPUBLIC OF) | ||||
| Ncell Axiata Limited, 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 | ||||
| Athalos Global Services BV., HOOFDDORP | ASSOCIATE SG2 | ROA | ||
| Centrum Wiskunde & Informatica, AMSTERDAM | Academia | Academia | Academia | UNIVERS,RSRCH |
| Everbridge One2many, Deventer | X | OTHER ENTITY | ||
| iBasis Netherlands B.V., Rotterdam | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| MessageBird B.V., AMSTERDAM | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| One Network B.V., SCHIPHOL | ASSOCIATE SG2 | SIO / OPERATOR | ||
| Philips International B.V., EINDHOVEN | ASSOCIATE SG6 | SIO | ||
| Qorvo Utrecht B.V., Utrecht | ASSOCIATE SG1 | OTHER ENTITY | ||
| RGTN Wholesale B.V., Maastricht | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Royal KPN N.V., THE HAGUE | X | X | ROA | |
| SES World Skies, THE HAGUE | X | X | ROA | |
| Signify Netherlands B.V., Eindhoven | ASSOCIATE SG15 | SIO | ||
| TKH Group NV, HAAKSBERGEN | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| VEON Ltd., AMSTERDAM | X | ROA | ||
| NEW ZEALAND | ||||
| Rakon Limited, AUCKLAND | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Spark NZ Limited, WELLINGTON | X | ROA | ||
| NIGERIA | ||||
| LiviaSoft Technologies Ltd., Abuja | ASSOCIATE SG5 | SIO | ||
| MTN Nigeria Communications Limited, LAGOS | X | ROA / OPERATOR | ||
| Nigerian Communications Satellite Ltd. (NIGCOMSAT), ABUJA | X | ROA | ||
| Pinnacle Communications Limited, ABUJA | X | ROA | ||
| University of Nigeria, NSUKKA, ENUGU STATE | Academia | Academia | Academia | UNIVERS,RSRCH |
| NORTH MACEDONIA | ||||
| Makedonski Telekom AD - Skopje, SKOPJE | X | ROA | ||
| NORWAY | ||||
| AeroMobile AS, OSLA | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Augmentcity AS, Alesund | ASSOCIATE SG20 | SIO | ||
| Oslo Metropolitan University, OSLO | Academia | Academia | Academia | UNIVERS,RSRCH |
| Space Norway AS, Oslo | X | OTHER ENTITY | ||
| Tampnet AS, Stavanger | ASSOCIATE SG2 | ROA | ||
| Telenor ASA, FORNEBU | 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 |
| Space Communication Technologies LLC, Athaiba | ASSOCIATE SG4 | SIO | ||
| PAKISTAN | ||||
| Pakistan Mobile Communications Limited (PMCL), ISLAMABAD | X | ROA / OPERATOR | ||
| Telenor Pakistan (Pvt) Ltd., ISLAMABAD | X | ROA / OPERATOR | ||
| PANAMA | ||||
| Cable & Wireless Panamá S.A., PANAMÁ | X | ROA | ||
| PERU | ||||
| INICTEL - UNI, LIMA 41 | Academia | Academia | Academia | UNIVERS,RSRCH |
| Organismo Supervisor de Inversión Privada en Telecomunicaciones (OSIPTEL), LIMA | X | X | OTHER ENTITY / REGULATOR | |
| PHILIPPINES | ||||
| Globe Telecom, Inc., Tagulg | X | ROA | ||
| Philippine Long Distance Telephone Co. (PLDT), MAKATI CITY | X | ROA | ||
| Smart Communications, Inc.(SCI), MAKATI CITY | X | ROA | ||
| POLAND | ||||
| International Sailing Schools Association (ISSA), WARSAW | Academia | Academia | Academia | OTHER ENTITY |
| National Institute of Telecommunications, WARSAW | Academia | Academia | Academia | UNIVERS,RSRCH |
| Orange Polska S.A., WARSAW | X | X | ROA | |
| Polkomtel Sp. z o.o., WARSAW | X | 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 | ||
| Qatar Satellite Company, DOHA | X | ROA | ||
| Qatar University, DOHA | Academia | Academia | Academia | UNIVERS,RSRCH |
| ROMANIA | ||||
| National Institute for Research & Development in Informatics ICI Bucharest, Bucharest | Academia | Academia | Academia | UNIVERS,RSRCH |
| Orange Romania Communications S.A., BUCHAREST | X | ROA | ||
| Romanian Maritime Training Centre - CERONAV, CONSTANTA | Academia | Academia | Academia | UNIVERS,RSRCH |
| SOCIETATEA NATIONALA DE RADIOCOMUNICATII S.A. (RADIOCOM), BUCHAREST | X | ROA | ||
| RUSSIAN FEDERATION | ||||
| AO Kaspersky Lab, MOSCOW | ASSOCIATE SG20 | SIO | ||
| Center for Global IT-Cooperation, Moscow | X | OTHER ENTITY | ||
| Coordination Center for National TLD., MOSCOW | X | OTHER ENTITY | ||
| Joint-Stock Company National Radio Technical Bureau, MOSCOW | X | ROA | ||
| MegaFon Open Joint Stock Company, MOSCOW | X | ASSOCIATE SG2 | ROA | |
| Moscow Institute of Physics and Technology (MIPT, Phystech), DOLGOPRUDNY, MOSCOW | Academia | Academia | Academia | UNIVERS,RSRCH |
| OJSC 'Multiregional TransitTelecom', MOSCOW | X | ROA | ||
| Peter the Great St. Petersburg Polytechnic University, SAINT-PETERSBURG | Academia | Academia | Academia | UNIVERS,RSRCH |
| PJSC «Rostelecom», MOSCOW | X | ROA / OPERATOR | ||
| Saint-Petersburg State University of Aerospace Instrumentation, SAINT-PETERSBURG | Academia | Academia | Academia | UNIVERS,RSRCH |
| Svyazcom LLC, Krasnoyarsk | ASSOCIATE SG11 | SIO / MANUFACTURER | ||
| The Bonch-Bruevich Saint-Petersburg State University of Telecommunications, ST. PETERSBURG | Academia | Academia | Academia | UNIVERS,RSRCH |
| RWANDA | ||||
| Carnegie Mellon University Africa, KIGALI | Academia | Academia | Academia | UNIVERS,RSRCH |
| SAUDI ARABIA | ||||
| Etihad Atheeb Telecom Company (GO), RIYADH | X | ROA / OPERATOR | ||
| Integrated Telecom Company, RIYADH | X | ROA / OPERATOR | ||
| King Abdullah University of Science and Technology, THUWAL | Academia | Academia | Academia | UNIVERS,RSRCH |
| Mobily Company, RIYADH | X | X | X | ROA / OPERATOR |
| Naif Arab University for Security Sciences (NAUSS), RIYADH | Academia | Academia | Academia | UNIVERS,RSRCH |
| Saudi Telecom, RIYADH | X | X | X | ROA / OPERATOR |
| Zain Saudi Arabia, RIYADH | X | ROA / OPERATOR | ||
| SENEGAL | ||||
| Société Nationale des Télécommunications du Sénégal (SONATEL), DAKAR | X | X | X | ROA |
| SERBIA | ||||
| Emisiona Tehnika i Veze (ETV), BELGRADE | X | ROA | ||
| SINGAPORE | ||||
| BBIX Singapore Pte. Ltd., Singapore | ASSOCIATE SG2 | ROA | ||
| Global Esports Federation, Singapore | X | OTHER ENTITY | ||
| Mozark Pte Ltd., Singapore | ASSOCIATE SG12 | SIO | ||
| National University of Singapore, Singapore | Academia | Academia | Academia | UNIVERS,RSRCH |
| Telna (Singapore) Pte. Ltd., Singapore | ASSOCIATE SG2 | SIO | ||
| Welchman Keen Pte. Ltd., Singapore | X | OTHER ENTITY | ||
| SOMALIA | ||||
| Hormuud Telecom Somalia, MOGADISHU | X | ROA | ||
| Telesom Company | X | ROA / SERVICE PROVIDER | ||
| SOUTH AFRICA | ||||
| Council for Scientific and Industrial Research (CSIR), Pretoria | Academia | Academia | Academia | UNIVERS,RSRCH |
| GEW Technologies (Pty) Ltd., Pretoria | ASSOCIATE SG1 | ASSOCIATE SG1 | SIO | |
| MTN Group Management Services (Pty) Ltd., Cresta | X | ASSOCIATE SG2 | X | ROA |
| Mytelnet (Pty) Ltd., Durban North | ASSOCIATE SG2 | ROA | ||
| Orbicom (Pty) Ltd., RANDBURG, GAUTENG | 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 | ||||
| Axon Partners Group, Madrid | X | OTHER ENTITY | ||
| Case On IT, Madrid | ASSOCIATE SG12 | OTHER ENTITY | ||
| Cellnex Telecom, S.A., BARCELONA | X | ROA | ||
| Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Castelldefls | Academia | Academia | Academia | UNIVERS,RSRCH |
| Colegio Oficial de Ingenieros de Telecomunicación (COIT), MADRID | Academia | Academia | Academia | UNIVERS,RSRCH |
| Everycode-inSuit, Valencia | ASSOCIATE SG1 | SIO / SERVICE PROVIDER | ||
| HISPASAT, S.A., Alcobendas, Madrid | X | ROA | ||
| Iberdrola, Madrid | ASSOCIATE SG15 | OTHER ENTITY | ||
| Indra Sistemas, Alcobendas | X | SIO | ||
| Insikt Intelligence, Barcelona | ASSOCIATE SG17 | SIO | ||
| Satelio IoT Services, S.L, Barcelona | ASSOCIATE SG4 | ASSOCIATE SG2 | ROA | |
| Startical, Madrid | ASSOCIATE SG4 | SIO / SERVICE PROVIDER | ||
| Telefónica S.A., MADRID | X | X | X | ROA |
| Teraqua Space SL, Madrid | ASSOCIATE SG4 | OTHER ENTITY | ||
| Universidad Del País Vasco, LEIOA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Universitat Politècnica de Catalunya, Barcelona | Academia | Academia | Academia | UNIVERS,RSRCH |
| Wavecontrol, S.L., Barcelona | ASSOCIATE SG1 | ASSOCIATE SG5 | SIO / MANUFACTURER | |
| SUDAN | ||||
| Almaahad Almutagadem Specialized Computer Training Center, Khartoum | ASSOCIATE SG2 | OTHER ENTITY | ||
| MTN Sudan, KHARTOUM | X | ROA / OPERATOR | ||
| Sudanese Mobile Telephone Company, Zain, KHARTOUM | X | X | ROA / OPERATOR | |
| Sudatel Telecom Group, KHARTOUM | X | ROA | ||
| SWEDEN | ||||
| Blekinge Institute of Technology, Karlskrona | Academia | Academia | Academia | UNIVERS,RSRCH |
| Com4 Sweden AB, STOCKHOLM | ASSOCIATE SG2 | ROA / OPERATOR | ||
| Huawei Technologies Sweden AB, KISTA | X | SIO | ||
| PROGIRA Radio Communication AB, Luleå | X | SIO | ||
| SES ASTRA AB, SOLNA | X | ROA | ||
| Swedish Space Corporation (Rymdbolaget), SOLNA | ASSOCIATE SG4 | SIO | ||
| Tele2 Sverige Aktiebolag, Kista | ASSOCIATE SG2 | ROA | ||
| Telefon AB - LM Ericsson, STOCKHOLM | X | X | X | SIO |
| Telenor Connexion AB, SOLNA | ASSOCIATE SG2 | SIO | ||
| Telia Company AB, STOCKHOLM | X | X | ROA | |
| SWITZERLAND | ||||
| Astrocast SA, Chavannes-près-Renens | ASSOCIATE SG4 | ROA | ||
| Dreamlab Technologies AG, Bern | X | OTHER ENTITY | ||
| Ecole Polytechnique Fédérale de Lausanne, LAUSANNE | Academia | Academia | Academia | UNIVERS,RSRCH / R&D INSTITUTION |
| EU Business School, GENEVA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Fondation Botnar, Basel | ASSOCIATE SG16 | OTHER ENTITY | ||
| HES-SO, hepia, DELÉMONT 1 | Academia | Academia | Academia | UNIVERS,RSRCH |
| HUAWEI Technologies Switzerland AG, Liebefeld | X | SIO | ||
| ID Quantique, Carouge | ASSOCIATE SG17 | SIO / MANUFACTURER | ||
| ImmuniWeb SA, Geneva | X | SIO | ||
| Phonegroup SA, Lugano | ASSOCIATE SG2 | ROA | ||
| PricewaterhouseCoopers AG, Zurich | ASSOCIATE SG2 | OTHER ENTITY | ||
| QRC AAA Sarl, Fribourg | X | OTHER ENTITY | ||
| SEMTECH (International) AG, Rapperswil | X | SIO | ||
| SITA Switzerland Sàrl, COINTRIN | ASSOCIATE SG5 | ASSOCIATE SG2 | ROA | |
| Sparrow Analytics SA, Nyon | ASSOCIATE SG20 | SIO | ||
| Swisscom SA, BERNE | X | X | X | ROA |
| Telecom26 AG, ZUG | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| u-blox AG, THALWIL | ASSOCIATE SG15 | SIO | ||
| Université de Genève, GENÈVE | Academia | Academia | Academia | UNIVERS,RSRCH |
| World's Global Telecom S.A., Lucerne | X | SIO / SERVICE PROVIDER | ||
| 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 | ||
| Chulalongkorn University Faculty of Engineering, BANGKOK | Academia | Academia | Academia | UNIVERS,RSRCH |
| 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 | ||||
| Centre d'Etudes et de Recherches des Télécommunications (CERT), ARIANA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Ecole supérieure privée d'Ingénierie et de Technologies, ARIANA | Academia | Academia | Academia | UNIVERS,RSRCH |
| Innov-Alliance-Tech, BEN AROUS | ASSOCIATE SG20 | SIO / R&D INSTITUTION | ||
| SAMA PARTNERS Business Solutions SARL, Tunis | ASSOCIATE SG17 | SIO | ||
| Smart Tunisian Technoparks, ARIANA | X | OTHER ENTITY | ||
| Tunisie Télécom, TUNIS | X | X | ROA | |
| TüRKIYE | ||||
| Kadir Has University, Istanbul | Academia | Academia | Academia | UNIVERS,RSRCH |
| Plan S Uydu ve Uzay Teknolojileri Anonim Şirketi, Ankara | ASSOCIATE SG4 | SIO | ||
| 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 | |
| TURKSAT Uydu Haberlesme Kablo TV ve isletme A.S., ANKARA | X | ROA | ||
| Türk Telekom A.S., ISTANBUL | X | X | X | ROA |
| UKRAINE | ||||
| State Enterprise 'Ukrainian State Centre of Radio Frequencies', KYIV | X | OTHER ENTITY | ||
| State University of Telecommunications, KYIV | Academia | Academia | Academia | UNIVERS,RSRCH |
| UNITED ARAB EMIRATES | ||||
| Al Yah Satellite Communications (YahSat), ABU DHABI | X | X | X | ROA |
| Emirates Integrated Telecommunications Company PJSC, DUBAI | X | X | ROA / OPERATOR | |
| Emirates Telecommunication Corporation - Etisalat, DUBAI | X | X | X | ROA |
| Enablers DMCC, Dubai | ASSOCIATE SG12 | SIO | ||
| Just-ITC FZ LLC Dubai Branch, Dubai | ASSOCIATE SG1 | OTHER ENTITY | ||
| Technology Innovation Institute, Abu Dhabi | ASSOCIATE SG5 | ASSOCIATE SG13 | SIO | |
| Trace Media International FZ-LLC, Dubai | ASSOCIATE SG13 | OTHER ENTITY | ||
| United Arab Emirates University, Al Ain, Abu Dhabi | Academia | Academia | Academia | UNIVERS,RSRCH |
| UNITED KINGDOM | ||||
| ABS, HAMILTON | X | OTHER ENTITY | ||
| Access Partnership Limited, LONDON | X | X | SIO | |
| Access Space Alliance Ltd, London | ASSOCIATE SG4 | OTHER ENTITY | ||
| Airbus Defence and Space Ltd, CORSHAM | X | ROA | ||
| Anglia Ruskin University, CAMBRIDGE | Academia | Academia | Academia | UNIVERS,RSRCH |
| ApplianSys, Coventry | X | OTHER ENTITY | ||
| aql (numbering) Ltd., Leeds | ASSOCIATE SG2 | ROA | ||
| ARM Limited, CAMBRIDGE | ASSOCIATE SG2 | X | ROA / SERVICE PROVIDER | |
| Astroscale Ltd., Didcot, Oxford | ASSOCIATE SG4 | ROA | ||
| Avanti Hylas 2 Limited, LONDON | X | X | ROA / OPERATOR | |
| Aviat Networks, BLANTYRE, GLASGOW | ASSOCIATE SG15 | ROA | ||
| Bournemouth University, POOLE | Academia | Academia | Academia | UNIVERS,RSRCH |
| Bourns Limited, BEDFORD | ASSOCIATE SG5 | SIO | ||
| British Broadcasting Corporation (BBC), LONDON | X | ROA | ||
| British Telecommunications Plc. (BT Plc), LONDON | X | X | ROA | |
| Cable & Wireless Communications Plc, LONDON | X | ROA | ||
| Calnex Solutions plc., LINLITHGOW | ASSOCIATE SG15 | SIO / SERVICE PROVIDER | ||
| Capital City Service Limited, Watford | ASSOCIATE SG17 | ROA | ||
| CentralNic Group PLC, London | ASSOCIATE SG2 | SIO | ||
| Chronos Technology Limited, LYDBROOK | ASSOCIATE SG15 | SIO | ||
| Dense Air, Slough | ASSOCIATE SG2 | ROA | ||
| Encompass Digital Media Services Limited, London | X | ROA | ||
| Eseye Ltd., Guildford | ASSOCIATE SG2 | SIO | ||
| Flo Live Limited, Uckfield | ASSOCIATE SG2 | SIO | ||
| GibFibre Ltd., Gibraltar | ASSOCIATE SG2 | SIO / SERVICE PROVIDER | ||
| Globalgig Limited, London | ASSOCIATE SG2 | SIO | ||
| Inmarsat Global Limited, LONDON | X | X | X | ROA |
| JT (Jersey) Limited, ST. HELIER, JERSEY | ASSOCIATE SG2 | ROA | ||
| Littelfuse UK Ltd., SWINDON | ASSOCIATE SG5 | SIO | ||
| ManSat, Parkfield, Douglas | ASSOCIATE SG4 | SIO | ||
| Manx Telecom Trading Ltd., BRADDAN, Isle of Man | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| MediaLincc Limited, DOUGLAS, ISLE OF MAN | ASSOCIATE SG2 | SIO | ||
| Monty UK Global Ltd, London | ASSOCIATE SG2 | SIO | ||
| Netscout, IPSWICH | X | SIO | ||
| Nuix Technology UK Limited, London | X | FDI / CONSULTANT | ||
| Omnispace UK Limited, HIGH WYCOMBE | X | SIO | ||
| OneWeb, LONDON | X | X | X | ROA / SERVICE PROVIDER |
| OpenSignal Limited, London | ASSOCIATE SG12 | ROA | ||
| Podsystem Ltd., Buckingham | ASSOCIATE SG2 | ROA / SERVICE PROVIDER | ||
| RTFM LLP, GLASGOW | X | OTHER ENTITY | ||
| Sama Telecom Ltd, LONDON | ASSOCIATE SG2 | ROA | ||
| Sawatch Limited, MILTON KEYNES | ASSOCIATE SG2 | ROA | ||
| Senko Advanced Components (Euro) Ltd., Daneshill, Basingstoke | ASSOCIATE SG15 | SIO | ||
| SES Satellites (Gibraltar) Limited, LONDON | X | ROA | ||
| Sky Group, ISLEWORTH | ASSOCIATE SG9 | ROA | ||
| Stacuity Limited, Ballasalla, Isle of Man | ASSOCIATE SG2 | SIO / SERVICE PROVIDER | ||
| Tata Communications (UK) Limited, London | X | ROA | ||
| Truphone Limited, London | ASSOCIATE SG2 | ROA | ||
| Tyntec Group Ltd, London | ASSOCIATE SG2 | ROA | ||
| University of Bristol, Bristol | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Glasgow, Glasgow | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Surrey Institute for Communication Systems(ICS), GUILDFORD | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of the West of Scotland, Paisley | Academia | Academia | Academia | UNIVERS,RSRCH |
| Vision Ng, TWICKENHAM | ASSOCIATE SG2 | OTHER ENTITY | ||
| Vodafone Group Services Ltd, NEWBURY | X | X | X | ROA |
| World Mobile Group Ltd., London | ASSOCIATE SG2 | X | ROA | |
| UNITED STATES | ||||
| AB Handshake Corporation, Miami | ASSOCIATE SG2 | SIO | ||
| ACES Inc., Washington | X | OTHER ENTITY | ||
| ADTRAN Holdings Inc., HUNTSVILLE | X | SIO | ||
| Aeris Communications, Inc., SAN JOSE | ASSOCIATE SG2 | SIO | ||
| Aetna, OGDENSBURG | ASSOCIATE SG17 | SIO | ||
| Amazon Web Services, Inc., Seattle | X | SIO | ||
| Amazon.com Services, LLC, Redmond | X | X | SIO | |
| American Tower Corporation, BOSTON | X | X | ROA | |
| Apple Inc., CUPERTINO | X | X | SIO | |
| AT&T, Inc., ATLANTA | X | X | X | ROA |
| Aviation Spectrum Resources, Inc., ANNAPOLIS | X | ROA | ||
| Bandwidth.com, Inc., RALEIGH | ASSOCIATE SG2 | ROA | ||
| Baylor University, Waco | Academia | Academia | Academia | UNIVERS,RSRCH |
| BitSight Technologies, Inc., BOSTON | X | SIO | ||
| Broadcom Corporation, IRVINE | X | SIO | ||
| Calix Networks, Inc., PETALUMA | ASSOCIATE SG15 | SIO | ||
| Ciena Corporation, HANOVER | ASSOCIATE SG15 | SIO | ||
| Cisco Systems, Inc., SAN JOSE | X | X | X | SIO |
| Corning Incorporated, CORNING | X | SIO | ||
| Corporation for National Research Initiatives, RESTON | ASSOCIATE SG17 | X | SIO | |
| Dish Network, WASHINGTON | X | ROA / OPERATOR | ||
| Dolby Laboratories, SAN FRANCISCO | X | SIO | ||
| DZS Inc., Plano | ASSOCIATE SG15 | SIO | ||
| E-Space Inc., Stuart | X | SIO | ||
| EchoStar Operating LLC, GERMANTOWN | X | SIO | ||
| Epson America Inc., SAN JOSE | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| Five 9 Inc., San Ramon | X | OTHER ENTITY | ||
| Futurewei Technologies Inc., BRIDGEWATER | ASSOCIATE SG15 | SIO / R&D INSTITUTION | ||
| Gallaudet University, WASHINGTON D.C. | Academia | Academia | Academia | UNIVERS,RSRCH |
| George Mason University, FAIRFAX | Academia | Academia | Academia | UNIVERS,RSRCH |
| Globalstar, Inc., MILPITAS | X | X | ROA | |
| Google Fiber, MOUNTAIN VIEW | ASSOCIATE SG15 | ROA | ||
| Google Inc., MOUNTAIN VIEW | X | SIO | ||
| Hewlett Packard Enterprise, Spring | X | X | SIO | |
| Hughes Network Systems, LLC, GERMANTOWN | X | ROA | ||
| IBM, POUGHKEEPSIE | X | SIO | ||
| II-VI Incorporated, San Jose | ASSOCIATE SG15 | SIO | ||
| Infinera Corporation, SUNNYVALE | X | SIO | ||
| Intel Corporation, SANTA CLARA | X | X | X | SIO |
| Intelsat US LLC, McLean | X | X | ROA | |
| InterDigital Communications, Inc., CONSHOHOCKEN | X | X | SIO | |
| Iridium Satellite LLC., MCLEAN | X | ASSOCIATE SG2 | X | ROA |
| ITRI International Inc., SAN JOSE | X | SIO | ||
| Johns Hopkins University Applied Physics Laboratories, LAUREL | Academia | Academia | Academia | UNIVERS,RSRCH |
| Juniper Networks, SUNNYVALE | X | SIO | ||
| Keysight Technologies, Inc., SANTA ROSA | X | ASSOCIATE SG12 | SIO / MANUFACTURER | |
| KORE Wireless Inc., Alpharetta | ASSOCIATE SG2 | SIO | ||
| Kratos Communications, ALEXANDRIA | X | SIO | ||
| Ligado NETWORKS LLC, RESTON | X | SIO | ||
| Limitless Mobile, LLC, HARRISBURG | ASSOCIATE SG2 | SIO | ||
| Lockheed Martin Corporation (LMC), ARLINGTON | X | X | X | ROA |
| Lumentum, MILPITAS | ASSOCIATE SG15 | SIO | ||
| Marvell Semiconductor, Inc., SANTA CLARA | ASSOCIATE SG15 | SIO | ||
| Maxlinear Inc, CARLSBAD | X | SIO | ||
| Meta Platforms, Inc., MENLO PARK | X | X | SIO | |
| Microchip Technology Inc., SAN JOSE | X | SIO | ||
| Microsoft Corporation, REDMOND | X | X | X | SIO |
| Motorola Mobility LLC, CHICAGO | X | SIO | ||
| Motorola Solutions Inc., WASHINGTON | X | SIO | ||
| Mozilla Corporation, San Francisco | X | OTHER ENTITY | ||
| Net Vision Consultants Inc., Stevensville | ASSOCIATE SG11 | SIO | ||
| Netflix Inc., LOS GATOS | X | X | SIO / SERVICE PROVIDER | |
| Neustar Inc., Reston | X | OTHER ENTITY | ||
| Nokia USA, MURRAY HILL | X | SIO | ||
| Northeastern University, Boston | Academia | Academia | Academia | UNIVERS,RSRCH |
| OFS Fitel, LLC, SOMERSET | ASSOCIATE SG15 | SIO | ||
| Omnispace, LLC, TYSONS | X | ROA | ||
| Ookla, SEATTLE | ASSOCIATE SG12 | SIO | ||
| Peraton Labs, RED BANK | ASSOCIATE SG11 | OTHER ENTITY / CONSULTANT | ||
| Plantronics, Inc., SANTA CRUZ | X | SIO | ||
| Qualcomm, Inc., SAN DIEGO | X | X | X | SIO |
| Raytheon Technologies, WALTHAM | X | SIO | ||
| RKF Engineering Solutions, LLC, Bethesda | X | X | OTHER ENTITY | |
| RoadDB LLC, GRAND FORKS | ASSOCIATE SG16 | SIO | ||
| Saturn Satellite Networks Inc., Englewood | ASSOCIATE SG4 | SIO | ||
| Shure Incorporated, Niles | X | SIO | ||
| Siemens Industry Software Inc., FREMONT | ASSOCIATE SG15 | OTHER ENTITY | ||
| Silicon Laboratories, Inc., AUSTIN | ASSOCIATE SG15 | SIO / MANUFACTURER | ||
| SiTime Corporation, Santa Clara | ASSOCIATE SG15 | SIO | ||
| Skylo Technologies, Inc., Palo Alto | ASSOCIATE SG2 | SIO | ||
| Skyworks Solutions, Inc., Irvine | ASSOCIATE SG15 | SIO | ||
| SomosGov Inc., East Brumwick | X | OTHER ENTITY | ||
| Space Exploration Technologies Corp. (SpaceX), Washington D.C. | X | X | SIO / MANUFACTURER | |
| SpaceLink Corporation, Huntsville | X | SIO | ||
| Stanford University, Stanford | Academia | Academia | Academia | UNIVERS,RSRCH |
| Subcom, LLC, EATONTOWN | ASSOCIATE SG15 | SIO | ||
| Syniverse Technologies, LLC, TAMPA | ASSOCIATE SG2 | SIO | ||
| T-Mobile USA, Inc, Bellevue | X | ASSOCIATE SG16 | ROA | |
| TCI International, Inc., FREMONT | ASSOCIATE SG1 | SIO | ||
| Telecommunications Management Group Inc., ARLINGTON | X | OTHER ENTITY | ||
| TEOCO Corporation, Fairfax | ASSOCIATE SG12 | SIO | ||
| The Boeing Company, ARLINGTON | X | SIO | ||
| The George Washington University, Washington | Academia | Academia | Academia | UNIVERS,RSRCH |
| The Walt Disney Company, WASHINGTON D.C. | X | OTHER ENTITY | ||
| Tibit Communications, PETALUMA | ASSOCIATE SG15 | SIO | ||
| TQ Delta, AUSTIN | ASSOCIATE SG15 | SIO | ||
| Twilio Inc., SAN FRANSISCO | ASSOCIATE SG2 | SIO | ||
| Ubilinx Technology, Inc., SAN JOSE | ASSOCIATE SG15 | SIO | ||
| United Nations Foundation (Digital Impact Alliance), Washington | X | FDI | ||
| University of California Irvine School of Law, Irvine | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Hawaii, Honolulu, Hawaii | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of New Hampshire Interoperability Laboratory, DURHAM | Academia | Academia | Academia | UNIVERS,RSRCH |
| University of Pennsylvania, Philadelphia | Academia | Academia | Academia | UNIVERS,RSRCH |
| Verizon Communication Corporation, Basking Ridge | X | X | X | ROA |
| Viasat, Inc., CARLSBAD | X | X | ROA | |
| Xilinx Incorporation, SAN JOSE | ASSOCIATE SG15 | SIO | ||
| XPERI, LOS GATOS | ASSOCIATE SG6 | X | SIO / MANUFACTURER | |
| XPRIZE Foundation Inc., Culver City | X | OTHER ENTITY | ||
| Zenaciti Corporation, Beaverton | X | SIO | ||
| VIET NAM | ||||
| FPT Corporation, Hanoi | X | SIO | ||
| Viettel Group, HANOI | X | ROA | ||
| YEMEN | ||||
| Public Telecom Corporation (PTC), Aden | X | ROA | ||
| Yemen Company for Mobile Telephony - Sabafon, Aden | X | ROA | ||
| ZAMBIA | ||||
| The University of Zambia School of Natural Sciences, LUSAKA | Academia | Academia | Academia | UNIVERS,RSRCH |
| ZIMBABWE | ||||
| Econet Wireless (PVT) Ltd., HARARE | X | ROA | ||
| 808 Sector Members + Associates + Academia (ITU-R=192, ITU-T=189, ITU-D=190, any=393); Academia: 169; Associates: ITU-R=36, ITU-T=220, ITU-D=13, any=261). | ||||
State of Palestine
Resolution 99 (Rev. Busan, 2014)
| Name | ITU-R | ITU-T | ITU-D | Categories |
State of Palestine
Resolution 99 (Rev. Busan, 2014)
| Name | ITU-R | ITU-T | ITU-D | Categories |
| An-Najah National University, NABLUS | Academia | Academia | Academia | UNIVERS,RSRCH |
| Ooredoo Palestine, AL-BIREH, WEST BANK | X | ROA | ||
| Palestine Telecommunication Company (Paltel Group), Ramallah | X | ROA | ||
| 3 Sector Members + Associates + Academia (ITU-R=0, ITU-T=0, ITU-D=2, any=2); Academia: 1). | ||||
Regional and other International Organizations (CV231)
Regional Telecommunication Organizations (CV269B)
| Name | ITU-R | ITU-T | ITU-D | Categories |
| African Telecommunications Union, NAIROBI | X | X | X | REGORG |
| Asia-Pacific Telecommunity, BANGKOK | X | X | X | REGORG |
| Caribbean Association of National Telecommunication Organizations (CANTO), PORT OF SPAIN | X | REGORG | ||
| Caribbean Telecommunications Union, PORT-OF-SPAIN | X | X | X | REGORG |
| European Conference of Postal and Telecommunications Administrations, COPENHAGEN | X | X | X | REGORG |
| Inter-American Telecommunication Commission, WASHINGTON, D.C. | X | X | X | REGORG |
| League of Arab States, CAIRO | X | X | X | REGORG |
| Regional Commonwealth in the Field of Communications, MOSCOW | X | X | X | REGORG |
| Telecommunications Regional Technical Commission, TEGUCIGALPA, M.D.C. | X | X | X | REGORG |
| 9 Sector Members + Associates + Academia (ITU-R=8, ITU-T=8, ITU-D=9, any=9). | ||||
Intergovernmental Organizations Operating Satellite Systems (CV269C)
| Name | ITU-R | ITU-T | ITU-D | Categories |
| Arab Satellite Communications Organization, RIYADH | X | SATORG | ||
| European Organisation for the Exploitation of Meteorological Satellite, DARMSTADT | X | SATORG | ||
| European Space Agency (ESA), DARMSTADT | X | SATORG | ||
| European Telecommunications Satellite Organisation, PARIS CEDEX 15 | X | X | X | SATORG |
| International Organization of Space Communications - INTERSPUTNIK, MOSCOW | X | X | SATORG | |
| International Satellite System for Search and Rescue, MONTREAL | X | SATORG | ||
| Regional African Satellite Communications Organization, ABIDJAN | X | X | SATORG | |
| 7 Sector Members + Associates + Academia (ITU-R=7, ITU-T=1, ITU-D=3, any=7). | ||||
| ITU Sector | Sector Members | Associates | Academia |
| ITU-R | 280 | 38 | 170 |
| ITU-T | 268 | 223 | 170 |
| ITU-D | 301 | 15 | 170 |