Danemark Amerada Hess Maersk Oil & Gas Danish Oil & Gas Company Norvège Statoil Espagne Tecnicas Reunidas SA Royaume-Uni AMEC BP Oryx British Gas Brown & Root Shell Elf Oil Total Transco Wood Group Chine China National Offshore Oil Corporation China Power Sinopec |
Kazakhstan Tengizchevroil Malaisie Petronas Qatar Maersk Oil & Gas Russie Gazprom Lukoil
Taiwan Formosa Group Australie Clough Engineering Woodside Petroleum Algérie Sona Hess Égypte GUPCO
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Canada Suncorp Syncrude Fluor Daniel
Mexique Pemex Etats-Unis BASF Marathon Oil BP Brown & Root Philips Petroleum Shell Dow Chemicals Exxon Mobil Fastorq LLC Formosa Group Cuba Cupet Équateur OCP Venezuela P.D.V.S.A.
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