1. Adobe Inc.
2. AT&T Inc.
3. Avaya LLC
4. Bridgit Inc.
5. Cafex Communications Inc.
6. Cisco Systems Inc.
7. Citrix Systems
Inc
8. Communiqu? Conferencing Inc.
9. Dialpad Inc.
10. Fuze Inc.
11. Glance Networks Inc.
12. Google LLC by Alphabet Inc.
13. GoTo Technologies USA Inc.
14. International Business Machines Corporation
15. Lifesize Inc.
16. Microsoft Corporation
17. Oracle Corporation
18. Plantronics Inc.
19. QUOBIS NETWORKS
SLU.
20. RHUB Communications Inc.
21. RingCentral Inc.
22. Verizon Conferencing
23. Windstream Communications Inc.
24. Zoom Video Communications
Inc
25. ZTE Corporation