1. ABB Ltd.
2. ACL Combustion Inc.
3. Balluff GmbH
4. Banner Engineering India Pvt. Ltd.
5. Born Inc.
6. Cimarron Energy Inc.
7. Combustex Corp.
8. Emerson Electric Co.
9. Euchner
10. Fortress Interlocks
11. General Electric Company
12. HIMA Paul Hildebrandt GmbH
13. Honeywell International Inc.
14. Johnson Controls International PLC
15. Keyence Corporation
16. KHD Humboldt Wedag International AG
17. Mitsubishi Electric Corporation
18. Omron Corporation
19. Pilz GmbH & Co. KG
20. Rockwell Automation Inc.
21. Schneider Electric SE
22. Siemens AG
23. SoftServe Inc.
24. Spartan Controls Ltd.
25. Yokogawa Electric Corporation