1. 3CLogic Inc.
2. 8x8 Inc.
3. Aircall.io Inc.
4. Alvaria Inc.
5. Amazon Web Services Inc.
6. Ameyo Pvt. Ltd.
7. Avaya LLC
8. Barco NV
9. Calabrio Inc.
10. Cisco Systems Inc.
11. Content Guru Limited
12. Enghouse Interactive Inc.
13. Evolve IP
LLC
14. Five9 Inc.
15. Genesys Telecommunications Laboratories Inc.
16. Microsoft Corporation
17. NICE Ltd.
18. Oracle Corporation
19. Ozonetel Communications Inc.
20. Pypestream Inc.
21. RingCentral Inc.
22. Talkdesk Inc.
23. TCN Inc.
24. TechSee Augmented Vision Ltd.
25. Twilio Inc.
26. VocalCom S.A.
27. Vonage Holdings Corp.
28. Zendesk Inc.
29. Zoho Corporation Pvt. Ltd.