Compañía | Nación |
Assam Oil Company Ltd. (ACL) | India |
Abu Dhabi National Oil Company (ADNOC) | Emiratos Árabes Unidos |
Alon USA | Estados Unidos |
Amerada Hess Corporation | Estados Unidos |
Anadarko Petroleum Corporation | Estados Unidos |
Administración Nacional de Combustibles Alcohol y Portland | Uruguay |
Apache Corporation | Estados Unidos |
Arbusto Energy | Estados Unidos |
Atlantic Petroleum | Islas Feroe |
Bahrain Petroleum Company | Baréin |
BG Group | Reino Unido |
Bharat Petroleum Corporation Limited | India |
BHP Billiton | Australia |
Buzachi Petroleum Operating | Kazajistán |
BP | Reino Unido |
Cairn Energy | India |
Canadian Natural Resources | Canadá |
Campsa | España |
Cepsa | España |
COTEMAR | México |
Chevron Corporation | Estados Unidos |
Chief Oil and Gas | Estados Unidos |
Citgo | Venezuela |
CNOOC | China |
ConocoPhillips | Estados Unidos |
Cosmo Oil Company | Japón |
CPC Corporation | Taiwán |
Crown Central Petroleum | Estados Unidos |
Cupet | Cuba |
Devon Energy | Estados Unidos |
Ecopetrol | Colombia |
EDEXO | Colombia |
Edoardo Raffinerie Garrone | Italia |
Enap | Chile |
Empresa Petrolera Fiscal | Perú |
Enarsa | Argentina |
Enbridge | Canadá |
EnCana | Canadá |
ENSCO International | Estados Unidos |
Eni | Italia |
Essar oil ltd. | India |
Entreprise Tunisienne d'Activites Petroliere (ETAP) | Túnez |
ExxonMobil | Estados Unidos |
First Texas Energy Corporation | Estados Unidos |
Galp Energia | Portugal |
Petronet LNG Limited | India |
Gujarat Gas Co. Ltd. | India |
Gujarat State Petroleum Corporation | India |
Gulf Oil | Luxemburgo |
Grupa LOTOS | Polonia |
Halliburton | Estados Unidos |
Hargeisa Minerals & Resources Company Ltd | Somalilandia |
HryJax Petroleum |
Hellenic Petroleum | Grecia |
Hess Corporation | Estados Unidos |
Hindustan Petroleum Corporation Ltd | India |
HOCOL S.A. | Colombia |
Husky Energy | Canadá |
IB Daiwa | Japón |
Imperial Oil | Canadá |
INA - Industrija Nafte | Croacia |
Indian Oil Corporation | India |
Inpex | Japón |
Irving Oil | Canadá |
Japan Energy | Japón |
Kaz-Munay Gaz | Kazajistán |
Karazhanbas Munay | Kazajistán |
Kerr-McGee | Estados Unidos |
Koch Industries | Estados Unidos |
Kuwait German Petroleum Company | Canadá |
Kuwait Gulf Oil Company | Kuwait |
Kuwait National Petroleum Company | Kuwait |
Kuwait Oil Company | Kuwait |
Kuwait Petroleum Corporation | Kuwait |
LUKoil | Rusia |
M3nergy Gamma SDN. BHD. | Malasia |
Maersk Oil | Dinamarca |
Marathon Oil Corporation | Estados Unidos |
Maurel & Prom | Francia |
Maxol Group | Irlanda |
MedcoEnergi | Indonesia |
Mol Group | Hungría |
Naftna Industrija Srbije | Serbia |
Naftogas | Ucrania |
National Iranian Oil Company (NIOC) | Irán |
National Oil Corporation | Libia |
Neste Oil | Finlandia |
Nexen | Canadá |
Nippon Oil | Japón |
NNPC | Nigeria |
Oil Planet International Corp [1] | Estados Unidos |
Northern Resources[2] | Canadá |
Oil and Gas Development Company Limited[3] | Pakistán |
Oil m&s | Argentina |
Occidental Petroleum Corporation | Estados Unidos |
Oil India Limited | India |
Oman Oil Company (OOC) | Omán |
OMV | Austria |
ONGC | India |
Pan American Energy | Argentina |
PKN Orlen S.A. | Polonia |
PSO | Pakistán |
Pecsa | Perú |
Petróleos de Venezuela | Venezuela |
Petroleos Mexicanos | México |
Petroleum Development Oman (PDO) | Omán |
Perenco | Francia Reino Unido |
Pertamina | Indonesia |
Petro-Canada | Canadá |
Petrobras | Brasil |
PetroChina | China |
PetroEcuador | Ecuador |
PetroKazakhstan | Kazajistán |
Petrom | Rumania |
Petromil | Colombia |
Petron Corporation | Filipinas |
Petronas | Malasia |
Petronor | España |
Petrol Ofisi | Turquía |
Petropar | Paraguay |
Petroperú | Perú |
Petrotrin | Trinidad y Tobago |
PetroVietnam | Vietnam |
Pertamina | Indonesia |
Polish Oil and Gas Company | Polonia |
Plains Exploration & Production Company (PXP) | Estados Unidos |
Pluspetrol | Argentina |
PTT Public Company Limited | Tailandia |
Qatar Petroleum | Catar |
Reliance Industries Limited | India |
Repsol | España |
Rompetrol Group N.V. | Rumania |
Rosneft | Rusia |
Royal Dutch Shell | Países Bajos Reino Unido |
Sagiz Petroleum | Kazajistán |
San-Ai Oil | Japón |
Santos Limited | Australia |
Sasol | Sudáfrica |
Saudi Aramco | Arabia Saudita |
Shell Canada (subsidiaria de Royal Dutch Shell) | Canadá |
Shell Oil Company (subsidiaria de Royal Dutch Shell) | Estados Unidos |
Sinclair Oil | Estados Unidos |
Sinopec | China |
Snpc | República del Congo |
Sonangol | Angola |
Sonatrach | Argelia |
SPC | Singapur |
StatoilHydro | Noruega |
State Oil Company of Azerbaijan | Azerbaiyán |
Somerset Refinery | Estados Unidos |
State Oil Company of Suriname | Surinam |
Sunoco | Estados Unidos |
Suncor Energy | Canadá |
Surgutneftegaz | Rusia |
Syncrude | Canadá |
Talisman Energy | Canadá |
Todd Energy | Nueva Zelanda |
Total | Francia |
Tullow Oil | Reino Unido |
United Refining Company | Estados Unidos |
Vaalco Energy Inc. | Estados Unidos |
Vista Oil & Gas | México |
Wintershall | Alemania |
Woodside Petroleum | Australia |
XTO Energy | Estados Unidos |
YPF | Argentina |
YPFB | Bolivia |
Zion Oil & Gas Inc. | Estados Unidos |