1. ABB Ltd.
2. Accenture PLC
3. ADT Inc.
4. Axis Communications AB
5. BAE Systems PLC
6. Booz Allen Hamilton Inc.
7. Bosch Security Systems Inc.
8. Cisco Systems Inc.
9. Deloitte Touche Tohmatsu Limited
10. Ernst & Young Global Limited
11. Fortinet Inc
12. G4S plc by Allied Universal
13. Godrej & Boyce Limited
14. Honeywell International Inc.
15. International Business Machines Corporation
16. Johnson Controls International PLC
17. KPMG International Limited
18. L3Harris Technologies Inc.
19. Lockheed Martin Corporation
20. McAfee LLC
21. PwC International Ltd.
22. Schneider Electric SE
23. Secom Co. Ltd.
24. Securitas AB
25. Siemens AG
26. Thales Group
27. Tyco International Ltd.