1. AppGate Inc.
2. Check Point Software Technologies
3. Cisco Systems Inc.
4. Cloudflare Inc.
5. Cyxtera Technologies Inc.
6. Google LLC
7. Illumio Inc.
8. International Business Machines Corporation
9. McAfee Corporation
10. NetMotion By Absolute Software
11. NordLayer
12. Perimeter 81
13. Sophos Group PLC
14. Twingate
15. Zscaler Inc.