- Daewoo Corporation
- Descon Engg. Ltd
- Siemens Engg
- Mustehkam Cement
- SEFEC Engg
- G.E. Supply Inc.
- Power Construction of China Limited (SINOHYDRO GROUP LTD)
- Runh Power Company Ltd. (China)
- CMIIC 4 (China)
- IFC.
- Mech Tech
- ICC
- CMIC/HPCC
- Petrosin Products
- STAFA Co. (Turkey)
- Marathon
- PAFL
- AMS Power
- Tekser Co.
- Bauer Pakistan
- Habib Rafiq Ltd
- Inter Globe
- Hyundai Hidco-Hakas J/V
- FFC
- Associated Const. Ltd.
- Izhar Group of Industries.
- Gulf Power
- Etimaad Engineering
- Izhar Steel (Pvt) Ltd.
- EKL
- Maqbool Associates
- Petrocon (Pvt) Ltd.
- UCH Power Plant
- Industrial Engineering
- Rupali Group of Industries
- ZKB
- Reliable Engineering Services (Pvt) Ltd.
- Power Construction Company (China)