Related by context. Frequent words. (Click for all words.) 62 Repsol 61 Petrobras 59 Galp 59 Ecopetrol 58 Repsol YPF SA 58 PDVSA 56 Repsol YPF 54 Pemex 53 Petrolifera 53 Pdvsa 52 Endesa 52 Gas Natural 50 Tenaris 50 Fenosa 50 Gazprom Neft 50 CNOOC 50 YPFB 50 Sonangol 50 PdVSA 50 Lukoil 50 Sinopec 49 CANTV 49 CNOOC Ltd 49 LUKOIL 49 Cosan 49 Petroecuador 49 Itau 49 Petroleos Mexicanos 48 PEMEX 48 Sonatrach 48 Petrominerales 48 Usiminas 47 ONGC Videsh 47 PGNiG 47 Petroleos de Venezuela 47 Eni 47 LUKoil 47 Cnooc 47 Sacyr 47 Wintershall 47 Gazprom 47 Statoil 46 Endesa SA 46 Union Fenosa 46 KazMunaiGas 46 Gran Tierra Energy 46 TNK BP 46 Methanex 46 Petroleo Brasileiro SA 46 Aramco 46 Petrom 46 BBVA 46 PetroKazakhstan 46 StatoilHydro 46 Lundin Petroleum 46 Codelco 45 Saudi Aramco 45 Ternium 45 Statoil ASA 45 PKN Orlen 45 PetroSA 45 OAO Gazprom 45 giant Gazprom 45 Santander 45 Braskem 45 Varig 45 Sistema 44 Perenco 44 Banco Santander 44 CNPC 44 Orlen 44 Prisa 44 Votorantim 44 Banco Santander SA 44 Occidental 44 Femsa 44 Malaysia Petronas 44 OGX 44 Televisa 44 Gold Fields 44 Unibanco 44 Rosneft 44 BG Group 44 Cairn India 44 Pertamina 44 Norsk Hydro ASA 44 Banco de 44 Grupo Televisa 43 Afren 43 Minera 43 Petroleo Brasileiro 43 Cerro Negro 43 Banco Santander Central Hispano 43 Norsk Hydro 43 Glencore 43 Zulia 43 Italy Eni 43 TXCO 43 Polyus 43 Gerdau 43 Venoco