1. ABB Ltd
2. ADLINK Technology Inc.
3. Advantech Co. Ltd
4. Curtiss-Wright Corporation
5. DAQ Systems Co
Limited
6. Emerson Electric Co.
7. General Electric Company
8. Honeywell International Inc
9. Keysight Technologies
10. National Instruments Corporation
11. Omron Corporation
12. Rockwell Automation Inc.
13. Schneider Electric SE
14. Siemens AG
15. Tektronix Inc.
16. Yokogawa Electric Co.