1. Atlassian Corporation
2. BigAnt China
3. Bopup Communication Server
4. Brosix Inc.
5. Chanty Inc.
6. Chatwork Co. Ltd.
7. Cisco Systems Inc.
8. Flock FZ-LLC
9. Google LLC
10. International Business Machines Corporation
11. Kakao Corp.
12. LINE Corporation
13. Mattermost Inc.
14. Meta Platforms Inc.
15. Microsoft Corporation
16. Rocket.Chat Technologies Corp.
17. Ryver LLC
18. Signal Messenger LLC
19. Slack Technologies
LLC
20. Snap Inc.
21. Tango by Uptodown Technologies SL
22. Telegram Group Inc.
23. Troop Messenger
24. Viber Media S.a r.l.
25. WeChat