1. ABB Ltd.
2. Advantech Co. Ltd.
3. American Industrial Systems Inc.
4. BARTEC Top Holding GmbH
5. Beckhoff Automation GmbH & Co.
6. Beijer Electronics Group by Ependion
7. Carlo Gavazzi Automation Spa
8. Eaton Corporation PLC
9. Emerson Electric Co.
10. Gefran SpA
11. General Electric Company
12. Honeywell International Inc.
13. ICP DAS Co. Ltd.
14. Inductive Automation
LLC
15. Microchip Technology Inc.
16. Mitsubishi Electric Corporation
17. Moxa Inc.
18. Omron Corporation
19. Opto 22
20. Robert Bosch GmbH
21. Rockwell Automation
22. Schneider Electric SE
23. Siemens AG
24. TE Connectivity
25. Texas Instruments Incorporated
26. Thales Group
27. Unitronics PLC
28. Weidm?ller Interface GmbH & Co. KG
29. Winmate Inc.
30. Yokogawa Electric Corporation