See who is a GCF member
| Company | Country |
|---|---|
| 4RF Limited | New Zealand |
| 7layers GmbH | Germany |
| Absolute Validation Limited | United Kingdom |
| Ad Hoc Developments S.L. | Spain |
| Advanced Info Service Public Co Ltd (AIS) | Thailand |
| Aeris Communications Inc | United States |
| Alps Alpine Co Ltd | Japan |
| ALT Co., Ltd. | Korea, Republic Of |
| Anritsu Corporation | Japan |
| Apple (UK) Ltd | United Kingdom |
| Aptiv Services US, LLC | United States |
| Arcadyan Technology Corporation | Taiwan, Province Of China |
| Ascom (Sweden) AB | Sweden |
| Askey Computer Corporation | Taiwan, Province Of China |
| AT&T Services | United States |
| Base NV/SA | Belgium |
| BBPOS Limited | Hong Kong |
| Beijing Starpoint Technology Co., Ltd | China |
| Belgacom Mobile | Belgium |
| Bell Mobility | Canada |
| Bharti Airtel | India |
| Bittium Wireless Ltd | Finland |
| BlackBerry Ltd | Canada |
| Borqs International Holding Corp | Cayman Islands |
| Bouygues Telecom | France |
| BTL Inc | China |
| Bullitt Mobile Ltd | United States |
| Bureau Veritas | Taiwan, Province Of China |
| BYD Auto Industry Company Limited | China |
| Cam GSM | Cambodia |
| Casa Systems Inc | Australia|United States |
| Cavli Inc | United States |
| Cell-C (PTY) Ltd | South Africa |
| Cellcom Israel Ltd | Israel |
| Cellplus Mobile Communications Ltd | Mauritius |
| Changeself Technology (Shenzhen) Co., Ltd. | China |
| Check Point Software Technologies Ltd | Israel |
| China Mobile | China |
| China Mobile Group Devices Co., Ltd. | China |
| China Telecommunications Corporation | China |
| China Unicom | China |
| Chongqing Academy of ICT | China |
| Chunghwa Telecom | Taiwan, Province Of China |
| CICT Mobile Communication Technology Co., Ltd. | China |
| Cisco Systems Inc | United States |
| CK Hutchison Holdings | United Kingdom |
| Cloud 9 Mobile Communications Ltd | United Kingdom |
| Clover Network, LLC | United States |
| CoComm Servicios de Telecommunicacion | Spain |
| Comcast Corporation | United States |