1. ALE International
2. Apple Inc.
3. AT&T Inc.
4. CenturyLink Inc.
5. China Telecom Global Limited
6. Cisco Systems Inc.
7. D-Link Corporation
8. Fujitsu Limited
9. Hewlett Packard Enterprise Development LP
10. Hitachi
Ltd.
11. International Business Machines Corporation
12. KDDI CORPORATION
13. Micro Focus
14. Microsoft Corporation
15. NTT Communications Corporation
16. Reliance Jio Infocomm Ltd.
17. SingTel Group
18. SoftBank Corp.
19. T-Mobile USA Inc.
20. Verizon
21. Xfinity by Comcast
22. ZyXEL Communications Corporation