1. ABB Ltd.
2. Baoding Tianwei Group Tebian Electric Co. Ltd.
3. Bharat Heavy Electricals Limited
4. CG Power & Industrial Solutions Ltd.
5. General Electric Company
6. Hitachi
Ltd.
7. Hyosung Group
8. Hyundai Heavy Industries Co. Ltd
9. JiangSu HuaPeng Transformer Co. Ltd.
10. Kirloskar Electric Company
11. Mitsubishi Electric Corporation
12. Schneider Electric SE
13. SGB-SMIT GmbH
14. Siemens AG
15. Toshiba Corporation