> Bharat Heavy Electricals Limited (BHEL) |
| > Reliance Petroleum Limited (RPL) |
| > Relaince Industries Limited (RPL) |
| > Shapoorji Pallonji & Co. Ltd. |
| > Black & Veatch (U.S.A.) Consultind Co. Ltd. |
| > Heurtey Petrochem Equipments Pvt. Ltd. |
| > Indian Oil Tanking Limited (IOCL) |
| > Samsung Engineering Ltd. |
| > Larsen & Toubro Limited (HARP, Baroda) |
| > Larsen & Toubro Limited (ECC) |
| > Larsen & Toubro Limited (Group-II, Powai) |
| > Toyo Engineering India Ltd. |
| > Lanco Infranstructure Limited |
| > Thyssenkrupp Industries India Ltd. |
| > Punj Llyod Ltd. |
| > Alstom Limited |
| > Era Infra Engineering |
| > Gannon & Dunkerley Company Ltd |
