The following is a list of notable companies in the petroleum industry that are engaged in petroleum exploration and production. The list is in alphabetical order by continent and then by country. This list does not include companies only involved in refining and marketing.

Africa
Company	Country
Naftal	Algeria
Sonatrach
Sonangol Group	Angola
Société Nationale des Pétroles du Congo	Congo
Star Africa Commodities & Minerals Limited	Ghana
Egyptian General Petroleum Corporation	Egypt
EGAS
Arabian Gulf Oil Company	Libya
National Oil Corporation
Madagascar Oil	Madagascar
Aiteo	Nigeria
Lekoil Nigeria Limited
Dangote
Nigerian National Petroleum Corporation
PetroSA	South Africa
Sasol
Gigajoule International
Wozani Berg Gasoline
EasiGas
Engen Petroleum
iGas
Imvume
Total South Africa
Sudapet	Sudan
Tanzania Petroleum Development Corporation	Tanzania
Entreprise Tunisienne d'Activités Pétrolières	Tunisia
Asia
Company	Country
Azerbaijan International Operating Company	Azerbaijan
SOCAR
Nobel Oil Group
Brunei Shell Petroleum	Brunei
Bahrain Petroleum Company	Bahrain
Petrobangla	Bangladesh
Myanma Oil and Gas Enterprise	Myanmar
CNOOC	China
China National Petroleum Corporation
CITIC Resources
Geo-Jade Petroleum
Shaanxi Yanchang Petroleum
Sinochem
China Petrochemical Corporation
Southernpec
The Hong Kong and China Gas Company
United Energy Group
Indian Oil Corporation Limited	India
Oil and Natural Gas Corporation
Oil India
Bharat Petroleum
Hindustan Petroleum
Nayara Energy
Reliance Industries
Cairn India
GAIL
Gujarat State Petroleum Corporation
MedcoEnergi	Indonesia
Pertamina
National Iranian Oil Company	Iran
North Oil Company	Iraq
South Oil Company
Missan Oil Company
Midland Oil Company
Delek	Israel
Isramco
Modiin Energy
Eneos	Japan
Inpex
JAPEX
KazMunayGas	Kazakhstan
Kuwait Petroleum Corporation	Kuwait
Consolidated Contractors Company	Lebanon
Petronas	Malaysia
Petroleum Development Oman	Oman
Oil and Gas Development Company	Pakistan
Pakistan Petroleum
Pakistan Oilfields
Mari Petroleum Company Limited
Petron Corporation	Philippines
Philippine National Oil Company
QatarEnergy	Qatar
Saudi Aramco	Saudi Arabia
Singapore Petroleum Company	Singapore
Ceylon Petroleum Corporation	Sri Lanka
Korea National Oil Corporation	South Korea
Korea Gas Corporation
CPC Corporation	Taiwan
PTT	Thailand
Thai Oil
Türkiye Petrolleri Anonim Ortaklığı	Turkey
Çalık Enerji
Aladdin Middle East Ltd. ("AME")
Abu Dhabi National Oil Company	United Arab Emirates
Emirates National Oil Company
Uzbekneftegaz	Uzbekistan
Petrovietnam	Vietnam
Vietsovpetro
Europe
Company	Country
OMV	Austria
RAG
Petrol AD	Bulgaria
INA – Industrija Nafte	Croatia
Moravské naftové doly	Czech Republic
Ørsted A/S	Denmark
Atlantic Petroleum	Faroe Islands
Neste	Finland
TotalEnergies	France
Engie
Perenco	France
	United Kingdom
Wintershall DEA	Germany
Hellenic Petroleum	Greece
MOL Group	Hungary
Maxol	Ireland
Anonima Petroli Italiana	Italy
Edison
Eni
Erg
Saras S.p.A.
Ascom Group	Moldova
Makpetrol	North Macedonia
Aker BP	Norway
Bayerngas
DNO ASA
Equinor
InterOil
Noreco
Rocksource
Grupa Lotos	Poland
PGNiG
PKN Orlen
Galp Energia	Portugal
Partex Oil and Gas
OMV Petrom	Romania
Rompetrol
Bashneft	Russia
Gazprom
Itera
Lukoil
Novatek
Rosneft
Rusneftegaz
Russneft
Sakhalin Energy
Surgutneftegas
Tatneft
Naftna Industrija Srbije	Serbia
Cepsa	Spain
Repsol
Lundin Energy	Sweden
Naftogaz	Ukraine
BP	United Kingdom
Cairn Energy
Centrica
Dana Petroleum
Premier Oil
Regal Petroleum
Shell
Tullow Oil
North America
Company	Country
ARC Resources	Canada
Baytex Energy
Canadian Natural Resources
Cenovus Energy
Crescent Point Energy
Enbridge
Enerplus
First Calgary Petroleums
Frontera Energy
Imperial Oil
Irving Oil
MEG Energy
Nalcor Energy
Obsidian Energy
Questerre
Ridgeback Resources
Suncor Energy
Syncrude
ShaMaran Petroleum
TC Energy
Vermilion Energy
Cuba Petróleo Union	Cuba
Uno	Honduras
Pemex	Mexico
Petrotrin	Trinidad and Tobago
Antero Resources	United States
APA Corporation
Berry Corporation
Blacksands Pacific
California Resources Corporation
Chevron Corporation
Chord Energy
CNX Resources
ConocoPhillips
Continental Resources
Coterra
Devon Energy
Diamondback Energy
EOG Resources
EQT Corporation
Expand Energy
ExxonMobil
Greka Energy
Hess Corporation
HKN, Inc.
Koch Industries
Laredo Petroleum
Marathon Oil
Murphy Oil
Occidental Petroleum
Ovintiv
Range Resources
SandRidge Energy
Shell Oil Company
SM Energy
Valero Energy
Vaalco Energy
XTO Energy
Oceania
Company	Country
Australian Worldwide Exploration (AWE)	Australia
BHP
Origin Energy
Santos
Woodside Energy
Todd Corporation	New Zealand
Oil Search	Papua New Guinea
South America
Company	Country
Bridas Corporation	Argentina
Enarsa
YPF
YPFB	Bolivia
Dommo Energia	Brazil
Ipiranga
Synergy Group
Petrobras
Empresa Nacional del Petróleo	Chile
Empresas Copec
Ecopetrol	Colombia
Petroecuador	Ecuador
Petropar	Paraguay
Petroperú	Peru
ANCAP	Uruguay
PDVSA	Venezuela

• List of largest oil and gas companies by revenue
• List of oilfield service companies