1. ABB Ltd.
2. Alstom SA
3. Andritz AG
4. Bachmann electronic GmbH
5. Beijer Electronics
6. Capula Ltd.
7. COPA-DATA GmbH
8. Detechtion Technologies
9. Elynx Technologies LLC
10. Emerson Electric Co.
11. General Electric Company
12. Hitachi Ltd.
13. Honeywell International Inc.
14. Inductive Automation
LLC
15. International Business Machines Corporation
16. JFE Engineering Corporation
17. Mitsubishi Electric Corporation
18. Omron Corporation
19. Ovak Technologies
20. Rockwell Automation Inc.
21. Schneider Electric SE
22. Schweitzer Engineering Laboratories Inc.
23. Siemens AG
24. Sprecher Automation GmbH
25. Tektronix Inc.
26. Toshiba Infrastructure Systems & Solutions Corporation
27. Valmet Oyj
28. Yokogawa Electric Corporation