Rank;Global Rank;Institution;Country;Sector 1;5;China National Petroleum Corp *;CHN;Companies 2;6;PetroChina Co Ltd;CHN;Companies 3;14;China Petroleum and Chemical Corporation *;CHN;Companies 4;26;Aramco *;MUL;Companies 5;33;Saudi Arabian Oil Company;SAU;Companies 6;46;China Railway Engineering Corp *;CHN;Companies 7;49;Schlumberger *;MUL;Companies 8;54;ExxonMobil *;MUL;Companies 9;55;China Railway Group Ltd;CHN;Companies 10;58;TOTAL *;MUL;Companies 11;60;Total, France;FRA;Companies 12;63;China Railway Eryuan Engineering Group Co Ltd;CHN;Companies 13;64;Shell *;MUL;Companies 14;84;Equinor ASA, Norway;NOR;Companies 15;94;Shell, Netherlands;NLD;Companies 16;95;Equinor ASA *;MUL;Companies 17;156;Schlumberger, United States;USA;Companies 18;213;Shell, USA;USA;Companies 19;216;China National Offshore Oil Corp *;CHN;Companies 20;239;GNS Science;NZL;Companies 21;270;Chevron Corp;USA;Companies 22;402;Petrobras *;MUL;Companies 23;404;Petrobras Brasil;BRA;Companies 24;529;China Coal Research Institute;CHN;Companies 25;590;Daqing Oilfield Co Ltd, CN;CHN;Companies