1. Accenture plc
2. AO Kaspersky Lab
3. AT&T Inc.
4. BAE Systems plc
5. BlackBerry Limited
6. Check Point Software Technologies Ltd.
7. Cisco Systems Inc.
8. CrowdStrike Holdings Inc.
9. Cynet
10. Datadog Inc.
11. Deloitte Touche Tohmatsu Ltd.
12. Ernst & Young Global Limited
13. Exabeam Inc.
14. Fortinet Inc.
15. International Business Machines Corporation
16. KPMG International ltd.
17. LogRhythm Inc.
18. NCC Group
19. NEC Corporation
20. Optiv Security Inc.
21. Rapid7 Inc.
22. Secureworks Inc.
23. SecurityHQ Ltd.
24. Trustwave Holdings Inc.
25. VMware Inc.