1. Alibaba Group
2. Amazon Web Services Inc.
3. AT&T Inc.
4. Avaya Holdings Corp.
5. Cisco Systems Inc.
6. Dell Inc
7. enStratus Networks LLC
8. Google LLC
9. International Business Machines Corporation
10. Juniper Networks Inc.
11. M5 Networks Inc.
12. McAfee
LLC
13. Microsoft Corporation
14. Oracle Corporation
15. Orange Business Services
16. Rackspace Technology Inc.