1. Caterpillar India Private Limited
2. Yanmar Co. ltd
3. MTU India Private Ltd.
4. Cummins India Limited
5. Mahindra Powerol Limited
6. Prakash Diesels Private Limited
7. Green Power International Pvt Ltd
8. GGE Genset Private Limited
9. Wartsila India Private Limited
10. Green Power International Pvt Ltd