1. AT&T Inc.
2. Broadcom Inc.
3. Cisco Systems Inc.
4. DeepSig Inc.
5. Ericsson AB
6. Fujitsu Limited
7. Huawei Technologies Co. Ltd.
8. Intel Corporation
9. InterDigital Inc.
10. Keysight Technologies Inc.
11. LG Electronics
12. MediaTek Inc.
13. NEC Corporation
14. Nokia Corporation
15. NTT DOCOMO Inc.
16. Orange SA
17. Qualcomm Incorporated
18. Samsung Electronics Co. Ltd.
19. SK Telecom Inc.
20. ZTE Corporation