| Bharat Heavy Electricals Ltd., New Delhi |
| Dakshin Gujarat Vij Co. Ltd.(DGVCL), Surat |
| Delhi Metro Rail Corporation Ltd.(DMRC), New Delhi |
| Gujarat Alkalies and Chemicals Ltd., Bharuch |
| Gujarat Energy Transmission Corpn. Ltd.(GETCO), Vadodara |
| Gujarat Industries Power Co. Ltd.(GIPCL), Vadodara |
| Gujarat State Electricity Corpn. Ltd.(GSECL), Vadodara |
| ITI Limited, Palakkad |
| M P Paschim Kshetra Vidyut Vitran Co. Ltd., Indore |
| M P Poorv Kshetra Vidyut Vitran Co. Ltd., Jabalpur |
| Madhya Gujarat Vij Co. Ltd. –MGVCL, Vadodara |
| Madhyanchal Vidhyut Vitran Nigam Limited (MVVNL), Lucknow |
| Maharashtra State Power Generation Company Ltd., Mumbai |
| Paschim Gujarat Vij. Co. Ltd., PGVCL, Rajkot |
| Pashchimanchal Vidyut Vitran Nigam Ltd. (PVVNL), Meerut |
| The Tata Power Company Ltd., Mumbai |
| Torrent Power Limited - Cables Unit, Nadiad |
| Torrent Power Limited, Surat |
| Uttar Gujarat Vij. Co. Ltd., UGVCL, Mehsana |
