1. ABB Ltd.
2. Bharat Heavy Electricals Limited
3. CG Power & Industrial Solutions Limited
4. Eaton Corporation PLC
5. EFACEC
6. Hammond Power Solutions Inc.
7. Hyosung Group
8. Hyundai Electric & Energy Systems Co. Ltd.
9. Imefy Group
10. KONCAR - Electrical Industry Inc.
11. Mitsubishi Electric Corporation
12. Schneider Electric SE
13. SGB-SMIT GmbH
14. Shihlin Electric & Engineering Corporation
15. Siemens AG