• ENI Pakistan.
• BHP Petroleum.
• Dewan Petroleum.
• TCC Tethyan Copper Company.
• PPL Pakistan Petroleum Ltd.
• Zen Drilling International.
• Western Atlas.
• Capital Drilling.
• Parker Drilling International.
• KCA Deutag Drilling G.M.B.H.
• JSL Jehangir Services Ltd.
• Shaheen Freight Services.
• Toshiba Plant Systems.
• Schlumberger.

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