| 01 | Gazprom Neft Badra B.V. | 02 | Lukoil Mid East Limited |
| 03 | China Petroleum Engineering & Construction Corporation (CPECC) IRAQ | 04 | China Petroleum Engineering & Construction Corporation (CPECC) Abu Dhabi |
| 05 | ENI Pakistan Limited | 06 | Pak Arab Pipeline Co. Ltd (PAPCO) |
| 07 | Pak Arab Refinery Co. Ltd (PARCO) | 08 | PKP Exploration Limited |
| 09 | Lasmo Oil Pakistan Limited | 10 | Tullow Pakistan (development) Ltd. |
| 11 | Willbross | 12 | Gregory & Cook S.A. |
| 13 | Petrosin Ravi Engineering (Pvt) Ltd. | 14 | Sicon Oil & Gas |
| 15 | Oil & Gas Development Company Limited (OGDCL) | 16 | Occidental of Pakistan INC. |
| 17 | Union Texas of Pakistan INC. | 18 | Sui Northern Gas Pipelines Limited (SNGPL) |
| 19 | Clough Engineering Group.(Australia) | 20 | SHYDO, NWFP |
| 21 | Telecom Foundation | 22 | Aquater SPA-Karachi |
| 23 | Capital Development Authority (CDA) | 24 | Shynrio Corporation Japan (ETV Centre) |
| 25 | Pakistan State Oil Co. Ltd. (PSO) | 26 | Pak. Petroleum Limited. |
| 27 | Amoco Pakistan – Exploration Company | 28 | Karachi Shipyard & Engg. Works Limited. |
