1. ABB
Ltd.
2. Beijing Sifang Automation Co. Ltd.
3. Cisco Systems Inc.
4. CYG Sunri Co. Ltd. by Changyuan Technology Group Ltd.
5. Eaton Corporation PLC
6. ELVAC A.S.
7. ETAP/Operation Technology Inc.
8. General Electric Company
9. Hitachi Ltd.
10. Honeywell International Inc.
11. Huawei Investment & Holding Co. Ltd.
12. Ing. Punzenberger COPA-DATA GmbH
13. INGETEAM
S.A.
14. Intel Corporation
15. Itron Inc.
16. Kehua Data Co. Ltd.
17. Mitsubishi Electric Corporation
18. Naidian Group Co. Ltd.
19. NovaTech
LLC by Valmet Oyj
20. NR Electric Co. Ltd.
21. OHB SE
22. Rockwill Electric GROUP Co. Ltd
23. Schneider Electric SE
24. Schweitzer Engineering Laboratories Inc.
25. Shanghai Electric Group Co. Ltd.
26. Shanghai SETN Electric Co. Ltd.
27. SHENZHEN GUOWANG NARI TECHNOLOGY CO.LTD.
28. Siemens AG
29. SISCO Inc.
30. TRC Companies Inc.