1. AT&T Inc.
2. BT Group plc
3. Cisco Systems Inc.
4. F5 Inc.
5. Huawei Technologies Co. Ltd.
6. Intel Corporation
7. Juniper Networks Inc.
8. L&T Technology Services Limited.
9. MediaTek Inc.
10. Qualcomm Incorporated
11. Samsung Group
12. Sanechips Co. Ltd.
13. Sequans Communications S.A.
14. Sercomm Corporation
15. Telstra Corporation Limited
16. U-blox Holding AG
17. Vodafone Limited