1. Airbus SE
2. Airspan Networks Inc.
3. Anritsu Corporation
4. AT&T Inc.
5. Azcom Technology srl
6. Bittium Corporation
7. Cisco Systems Inc.
8. Cobham Wireless
9. Corning Incorporated
10. Druid Software
11. General Dynamics Mission Systems Inc.
12. Huawei Technologies Co. Ltd.
13. Hytera Communications Corporation Limited
14. IS-Wireless
15. KT Corporation
16. Kyocera International Inc.
17. L3Harris Technologies Inc.
18. Leonardo S.p.A.
19. Mentura Group Oy
20. Motorola Solutions Inc.
21. Nokia Corporation
22. Samsung Electronics Co. Ltd.
23. Sierra Wireless Inc.
24. Sonim Technologies Inc.
25. Telefonaktiebolaget LM Ericsson