1. Azbil Corporation
2. BARTEC GmbH
3. CONTRO VALVE EQUIPMENT INC.
4. Emerson Electric Co.
5. Endress+Hauser AG
6. Hamilton Company
7. Honeywell International Inc.
8. Mitsubishi Electric Corporation
9. NEC Corporation
10. OMRON Corporation
11. Robert Bosch GmbH
12. Rockwell Automation Inc.
13. Schneider Electric SE
14. Siemens AG
15. Valmet Corporation
16. Weidmuller Inc.
17. Yokogawa Electric Corp