1. ABB Ltd
2. Bharat Heavy Electricals Limited (BHEL)
3. Crompton Greaves Consumer Electricals Limited
4. DAIHEN Corp.
5. General Electric Company
6. Hitachi Group
7. HD Hyundai Heavy Industries Co. Ltd
8. Hyosung Heavy Industries
9. Kirloskar Electric Co. Ltd.
10. Mitsubishi Electric Corporation