Oil Reserves
Saudi Arabian Oil Company
National Iranian Oil Company
Qatar Petroleum
Abu
Dhabi National Oil Company
Iraq National Oil Company
Gazprom
Kuwait Petroleum Corporation
Petróleos de Venezuela S.A.
Nigerian National Petroleum
Corporation
National Oil Corporation (Libya)
Sonatrach
Rosneft
List of petroleum Companies
Assam Oil 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
Chief Oil and Gas, United
States
Citgo,
Venezuela
CNOOC Ltd., China
ConocoPhillips, United
States
Cosmo Oil Company, Japan
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
First Texas Energy
Corporation United
States
Galp Energia, Portugal
GeoPardazesh - Petroleum Exploration
Services Co. Ltd., Iran
Petronet LNG Limited, India
Gujarat Gas Co. Ltd., India
Gujarat State Petroleum Corporation,
India
Gulf Oil, Luxembourg
Grupa LOTOS, Poland
Hellenic Petroleum, Greece
Hindustan Petroleum Corporation Ltd, India
Husky Energy, Canada
IB Daiwa, Japan
Imperial Oil, Canada
INA - Industrija Nafte, Croatia
Indian Oil Corporation, India
Inpex,
Japan
Irving Oil, Canada
Japan Energy, Japan
Kerr-McGee, United
States
Koch Industries, United
States
Kuwait German Petroleum Company, Canada
LUKoil,
Russia
Marathon Oil Corporation, United
States
Maurel & Prom, France
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
Nippon Oil, Japan
NNPC,
Nigeria
Northern Resources[1],
Canada
Oil and Gas Development Company
Limited[2],
Pakistan
Occidental Petroleum
Oil India Limited, India
Oman Oil Company (OOC), Oman
OMV,
Austria
ONGC,
India
PKN Orlen S.A., Poland
PSO, Pakistan
Petróleos 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
San-Ai Oil, Japan
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
Snpc, Congo-Brazzaville
Sonangol, Angola
Sonatrach, Algeria
SPC,
Singapore
StatoilHydro, Norway
State Oil Company of Azerbaijan,
SOCAR Azerbaijan
State Oil Company
of Suriname, Suriname
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
YPF,
Argentina
YPFB,
Bolivia
