* assam company ltd (acl), india * abu dhabi national oil company (adnoc), united arab emirates * alon usa, united states * amerada hess corporation, united states * anadarko petroleum corporation, united states * apache corporation, united states * arbusto energy, united states * atlantic petroleum, faroe islands * bg group, united kingdom * bharat petroleum corporation limited, india * bhp billiton, australia * bp, united kingdom * cairn energy, india * canadian natural resources, canada * chevron corporation, united states * citgo, venezuela * cnooc ltd., china * conocophillips, united states * crown central petroleum, united states * cupet, cuba * devon energy, united states * ecopetrol, colombia * enbridge, canada * encana, canada * ensco international, united states * eni, italy * essar oil ltd.,india * entreprise tunisienne d'activites petroliere (etap), tunisia * exxonmobil, united states * galp energia, portugal * petronet lng limited, india * gujarat gas co. ltd., india * gujarat state petroleum corporation, india * gulf oil, luxembourg * grupa lotos, poland * hellenic petroleum, greece * husky energy, canada * imperial oil, canada * ina - industrija nafte, croatia * indian oil corporation, india * irving oil, canada * kerr-mcgee, united states * koch industries, united states * kuwait german petroleum company, canada * lukoil, russia * marathon oil corporation, united states * maxol group, republic of ireland * medcoenergi, indonesia * mol group, hungary * naftna industrija srbije, serbia * naftohaz ukrainy, ukraine * national iranian oil company (nioc), iran * national oil corporation, libya * neste oil, finland * nnpc,nigeria * [[oil & gas development company limited][1]], pakistan * occidental petroleum * oil india limited, india
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oman oil company (ooc), oman omv, austria ongc, india pkn orlen s.a., poland pso, pakistan petr�leos de venezuela, venezuela petroleos mexicanos, mexico petro-canada, canada petrobras, brazil petrochina, china petrokazakhstan, canada petrom, romania petron corporation, philippines petronas, malaysia petrotrin, trinidad and tobago pertamina, indonesia polish oil and gas company, poland qatar petroleum, qatar reliance industries limited, india repsol ypf, spain rompetrol group n.v., romania royal dutch shell, netherlands, united kingdom santos limited, australia sasol, south africa saudi aramco, saudi arabia (the largest in the world) shell canada, canada (subsidiary of royal dutch shell) shell oil company, united states (subsidiary of royal dutch shell) sinclair oil, united states sinopec, china sonangol, angola sonatrach, algeria spc, singapore statoilhydro, norway state oil company of azerbaijan, socar azerbaijan sunoco, united states suncor energy, canada surgutneftegaz, russia syncrude, canada talisman energy, canada todd energy, new zealand total, france united refining company, united states vaalco energy inc., united states wintershall, germany woodside petroleum, australia ypfb, bolivia yukos, russia
companies with oil reserves * * * * * * *
saudi arabian oil company 295 national iranian oil company 287 qatar petroleum 165 abu dhabi national oil company 137 iraq national oil company 137 gazprom 115 kuwait petroleum corporation 107
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petr�leos de venezuela s.a. 102 nigerian national petroleum corporation 62 national oil corporation (libya) 45 sonatrach 40 rosneft 35