1. AT&T Inc.
2. BCE Inc.
3. BT Group PLC
4. Capgemini SE
5. China Mobile Limited
6. Cisco Systems Inc.
7. e& etisalat and
8. F5 Inc.
9. Huawei Investment & Holding Co. Ltd.
10. Juniper Networks Inc.
11. KDDI Corporation
12. NEC Corporation
13. Nokia Corporation
14. QUALCOMM Incorporated
15. Reliance Jio Infocomm Ltd.
16. Rogers Communications Inc.
17. Sequans Communications
18. Sierra Wireless Inc. by Semtech Corporation
19. SIMCom Wireless Solutions Limited
20. Sunrise Communications AG
21. T-Mobile US Inc.
22. Telefonaktiebolaget LM Ericsson
23. Telef?nica S.A.
24. Telstra Corporation Limited
25. u-blox AG
26. Verizon Communications Inc.
27. Vodafone Idea Limited