| ADB |
| GTZ |
| TEPCO (Tokyo Electric Power Corporation, Japan) |
| Africa Israel Group of Industries (Tel Aviv) |
| Factor |
| Bhoruka Power Corporation Ltd. |
| Ind- Barath Energies Ltd |
| LANCO Group |
| Meenakshi Power Ltd. |
| Tamil Nadu Electricity Board |
| My Home Power |
| NEDCAP, (Andhra Pradesh), BREDA (Bihar), JEREDA (Jharkhand), HAREDA (Haryana), PEDA (Punjab), MEDA (Maharasthra), KREDL (Karnataka), OREDA (Orissa) |
| Administrative Staff College of India |
| Anna University |
| Jadhavpur University |
| GMR Industries |
| Gujarat Ambuja Cements Ltd |
| Wizemann Limited, |
| MSM Energy Limited |
| Sun Group Enterprises Limited |
| Meenakshi Power Ltd |
| Ind-Barath Energies Ltd. |
| South Central Railways, |
| State Bank of India |
| Reliance Industries Ltd |
| NATL Group of Industries |
| Jain Irrigation Ltd. |