1. Airtel India
2. China Mobile Limited
3. China United Network Communications Group Co. Ltd.
4. Comba Telecom Systems Holdings Ltd.
5. CommScope Inc.
6. Deutsche Telekom AG
7. Huawei Technologies Co. Ltd.
8. Microsoft Corporation
9. Samsung Electronics Co. Ltd.
10. Singapore Telecommunications Limited
11. SmarTone Telecommunications Holdings Limited
12. Telefonaktiebolaget LM Ericsson
13. Telef?nica
S.A.
14. Telstra Group Limited
15. Verizon Communications Inc.