1. Airspan Networks Inc.
2. Alcatel–Lucent S.A. by Nokia Corporation
3. Anritsu Corporation
4. AT&T Inc.
5. Cisco Systems Inc.
6. Fujitsu Limited
7. Huawei Technologies Co. Ltd
8. Intel Corporation
9. Motorola Solutions Inc.
10. NEC Corporation
11. Qualcomm Technologies Inc.
12. Radisys Corporation
13. Ribbon Communications Operating Company Inc.
14. Samsung Electronics Co. Ltd.
15. SK Telecom Co. Ltd.
16. Sony Group Corporation
17. Sprint Corporation
18. Tekelec Inc.
19. Telefonaktiebolaget LM Ericsson
20. Telrad Networks Ltd.
21. Verizon Communications Inc.
22. Xiaomi Corporation
23. ZTE Corporation