Multinational Oil & Gas
- ENI Pakistan Limited. (Formerly Lasmo Oil Pakistan Limited.)
- Bp Pakistan Exploration & Production Inc
(Formerly Union Texas Pakistan Inc.). - Western Geco (Geco Prakla Inernational Ltd.).
- Fugro Geodetic Ltd.
- Fugro Geoteam As.
- Petroleum Geo Services.
- M.I. Overseas Limited.
- Ocean Pakistan Limited.
- Petronas Carigali (Pakistan)Limited.
- Weatherford Oil Tool M.E. LTD.
- Oil & Gas Engineering CO, SPA.
- Oil & Gas Engineering CO, CRACOW LTD.
- TOTAL Exploration & Production.
- Shell Development & Offshore Pakistan B.V.
Companies Local Oil & Gas Exploration / Retail Companies
- Pakistan Petroleum Limited.
- Asia Petroleum Limited.
- Mari Gas Company Limited.
Multinational Companies (Non Oil & Gas)
- Engro Chemical Pakistan Ltd.
- Stfa Temel Pile Construction Co.
- Karachi Sheraton Hotel.
- TETHYAN Copper Company. LTD.
- SMIT SALVAGE B.V.
- FUGRO SEAFLOOR SURVEYS INC.