1. Adobe Inc.
2. Amazon Web Services Inc.
3. AT&T Inc.
4. Cisco Systems Inc
5. Citrix Systems
6. Fujitsu Limited
7. Hcl Technologies Limited
8. Hewlett Packard Enterprise Development LP
9. Huawei Technologies Co. Ltd.
10. Microsoft Corporation
11. Mindsight
12. Nutanix
13. Openstack
14. Radiant Communications Corp.
15. Red Hat Inc.
16. The International Business Machines Corporation
17. VMware
Inc