List of Petroleum Companies Worldwide

• Abu Dhabi National Oil Company (ADNOC), United Arab Emirates
• Anadarko Petroleum Corporation, The Woodlands, Texas, United States of America; Independent
• ANCAP, Uruguay
• Apache Corporation, Houston, Texas, United States of America; Independent
• Arabian Gulf Oil Company (AGOCO), Libya
• Assam Oil Company Ltd. (ACL), India
• Atlantic Petroleum, Faroe Islands
• Bharat Petroleum Corporation Limited, India
• BG Group, United Kingdom
• BHP Billiton, Australia
• BP, United Kingdom
• Cairn Energy, United Kingdom
• Canadian Natural Resources, Canada
• Chevron Corporation, San Ramon, California, United States of America
• CNOOC, China
• ConocoPhillips, United States of America
• Cupet, Cuba
• Devon Energy, United States of America
• DNO International, Norway
• Dong Energy, Denmark
• Ecopetrol, Colombia
• Empresa Nacional del Petróleo (ENAP), Chile
• Enbridge, Canada
• EnCana, Canada
• ENSCO International, United States of America
• Eni, Italy
• Essar Oil, India
• Entreprise Tunisienne d'Activites Petroliere (ETAP), Tunisia
• ExxonMobil, United States of America
• Galp Energia, Portugal
• Gazprom Neft, Russia
• Greka Energy, United States of America
• Grupa LOTOS, Poland
• Gujarat State Petroleum Corporation, India
• HKN, Inc. United States of America
• Hess Corporation, United States of America
• Hindustan Petroleum Corporation Ltd, India
• Husky Energy, Canada
• IB Daiwa, Japan
• Imperial Oil, Canada
• INA – Industrija Nafte, Croatia
• Indian Oil Corporation, India
• Inpex, Japan
• Japan Energy, Japan
• Japan Petroleum Exploration Company Limited (JAPEX), Japan
• KazMunayGas, Kazakhstan
• Korea National Oil Corporation (KNOC), South Korea
• Koch Industries, United States of America
• Kuwait National Petroleum Company Kuwait.
• Kuwait Oil Company, Kuwait
• Kuwait Petroleum Corporation, Kuwait
• LUKoil, Russia
• Maersk Oil, Denmark
• Marathon Oil Corporation, United States of America
• Maurel & Prom, France
• MedcoEnergi, Indonesia
• MOL Group, Hungary
• Naftna Industrija Srbije, Serbia
• Naftogas of Ukraine, Ukraine
• National Iranian Oil Company (NIOC), Iran
• National Oil Corporation, Libya
• Nexen, Canada
• Nippon Oil, Japan
• NNPC, Nigeria
• Oil and Gas Development Company Limited[1], Pakistan
• Occidental Petroleum, United States of America
• Oil India Limited, India
• Oman Oil Company (OOC), Oman
• OMV, Austria
• ONGC, India
• PKN Orlen S.A., Poland
• Pacific Rubiales Energy, Canada
• PSO, Pakistan
• Pakistan Petroleum Pakistan
• Pertamina, Indonesia
• Petróleos Mexicanos, Mexico
• Petróleos de Venezuela, Venezuela
• Petroleum Development Oman,(PDO)
• Perenco, France, United Kingdom
• Petrobras, Brazil
• PetroChina, China
• Petroecuador, Ecuador
• PetroKazakhstan, Canada
• Petrom, Romania
• PETRONAS, Malaysia
• Petronet LNG Limited, India
• Petroperu, Peru
• Petrotrin, Trinidad and Tobago
• PetroVietnam, Vietnam
• Polish Oil and Gas Company, Poland
• Plains Exploration & Production Company (PXP), United States of America
• PTT Public Company Limited, Thailand
• Qatar Petroleum, Qatar
• Reliance Industries Limited, India
• Repsol YPF, Spain
• Rompetrol, Romania
• Rosneft, Russia
• Royal Dutch Shell, Netherlands, United Kingdom
• Russneft, Russia
• RWE Dea, Germany
• Santos Limited, Australia
• Sasol, South Africa
• Saudi Aramco, Saudi Arabia (the largest in the world)
• Sinopec, China
• SNPC, Congo-Brazzaville
• Sonangol, Angola
• Sonatrach, Algeria
• Sovereign Group, USA, Russia
• Singapore Petroleum Company, Singapore
• Statoil, Norway
• State Oil Company of Azerbaijan, SOCAR Azerbaijan
• Sudapet, Sudan
• Suncor Energy, Canada
• Surgutneftegaz, Russia
• Syncrude, Canada
• Talisman Energy, Canada
• Todd Energy, New Zealand
• Total S.A., France
• Tullow Oil, United Kingdom
• Türkiye Petrolleri Anonim Ortaklığı (TPAO), Turkey
• Vaalco Energy Inc., United States of America
• Vallourec & Mannesmann - France
• Vegas Oil and Gas (Kriti), Egypt
• Wintershall, Germany
• Woodside Petroleum, Australia
• XTO Energy, United States of America
• YPF, Argentina
• YPFB, Bolivia