1. ABB Ltd
2. Advantech Co. Ltd.
3. Analog Devices Inc.
4. Belden Inc.
5. BP Automation Custom Engineering Solutions
6. Delta Electronics Inc.
7. Duro Labs Inc.
8. Emerson Electric Co.
9. Infineon Technologies AG
10. Intel Corporation
11. L-Tron Corporation
12. OMRON Corporation
13. Parasoft Pvt Ltd.
14. Pennar Industries Limited
15. Renishaw plc.
16. Rockwell Automation Inc.
17. Schneider Electric SE
18. Siemens AG
19. TBA Group
20. Weidm?ller Interface GmbH & Co. KG