This is a selected list of petroleum companies in alphabetical order.
Alwarid Oil Services Company, alwaridoil.com, Libya
Aban Offshore Oil Company
Abu Dhabi National Oil Company (ADNOC), United Arab Emirates
Agip Petroli S.p.A
AinMine Petroleum
Aker Geo AS, Norway
Alon USA, Dallas, Texas, United States of America
American Eagle Oilfield Services & Supplies, Inc., Katy, Texas, United States of America; Independent
Anadarko Petroleum Corporation, The Woodlands, Texas, United States of America; Independent
ANCAP, Uruguay
Apache Corporation, Houston, Texas, United States of America; Independent
Arabian Gulf Oil Company (AGOCO), Libya
Arbusto Energy, dba: Spectrum 7, United States of America, Saudi Arabian, and possibly Swiss ownership. Bought out by Harken Oil & Gas in 1986
Assam Oil Company Ltd. (ACL), India
Assama Oil Services (Tripoli), Libya
Al-Obaid Oil Services (Dhanbad),India
Atlantic Petroleum, Faroe Islands
Athlone Group, United Kingdom
Bharat Petroleum Corporation Limited, India
BG Group, United Kingdom
BHP Billiton, Australia
BreitBurn Energy, California, United States of America
Buzachi Petroleum Operating, Kazakhstan
British Petroleum (BP), United Kingdom
Cairn Energy, United Kingdom
Canadian Natural Resources, Canada
Chevron Corporation, San Ramon, California, United States of America
Chem-Energy Corporation, United States of America
Chestnut Petroleum, Inc., Richardson, Texas, United States of America
Chief Oil and Gas, Dallas, Texas, United States of America
Citgo, Venezuela
CNOOC Ltd., China
ConocoPhillips, United States of America
Cooper Energy, Australia
Cosmo Oil Company, Japan
Crown Central Petroleum, United States of America
Cupet, Cuba
Denbury Resources, Inc., United States of America
Det Norske Oljeselskap ASA, Norway
Devon Energy, United States of America
Dong, Denmark
Ecopetrol, Colombia
Edoardo Raffinerie Garrone, Italy
Empresa Nacional del Petróleo (ENAP), Chile
Enbridge, Canada
EnCana, Canada
Energi Mega Persada, Indonesia
Energopetrol, Bosnia
ENSCO International, United States of America
Eni, Italy
ENX, Switzerland
ENXRU, Russia
Essar oil ltd., India
Entreprise Tunisienne d'Activites Petroliere (ETAP), Tunisia
Eser Corporation, United States of America
ExxonMobil, United States of America
First Texas Energy Corporation, United States of America
Flying Jadooo (for sale), United States of America
Galp Energia, Portugal
Gazprom, Russia
Geoexploration india, IN, India
Global Energy Swiss AG, ZUG, Swizterland
Greka Energy, United States of America
Grupa LOTOS, Poland
Gujarat Gas Co. Ltd., India
Gujarat State Petroleum Corporation, India
Gulf Oil, Luxembourg
Harken Energy Corporation, dba: HKN Southlake, Texas, United States of America of America
Hellenic Petroleum, Greece
Hess Corporation, United States of America
Hindustan Petroleum Corporation Ltd, India
Husky Energy, Canada
IB Daiwa, Japan
Imperial Oil, Canada
INA – Industrija Nafte, Croatia
Indian Oil Corporation, India
Inpex, Japan
Irkutsk Oil Company, Russia
Irving Oil, Canada
IQ Petroleum, USA
Japan Energy, Japan
Japan Petroleum Exploration Company Limited (JAPEX), Japan
Jay Oil, Iran
Kaz-Munay Gaz, Kazakhstan
Karazhanbas Munay, Kazakhstan
Korea National Oil Corporation(KNOC), South Korea
Koch Industries, United States of America
Kuwait German Petroleum Company, Canada
Kuwait Gulf Oil Company, Kuwait
Kuwait National Petroleum Company Kuwait.
Kuwait Oil Company, Kuwait
Kuwait Petroleum Corporation, Kuwait
Leowit Group Ltd, Hong Kong
LUKoil, Russia
M3nergy Gamma SDN. BHD., Malaysia
Maersk, Denmark
Marathon Oil Corporation, United States of America
Maurel & Prom, France
Mari Gas Company Limited, Pakistan
Maxol Group, Republic of Ireland
MedcoEnergi, Indonesia
Misc, Malaysia
MOL Group, Hungary
Naftna Industrija Srbije, Serbia
Naftogas of Ukraine, Ukraine
National Iranian Oil Company (NIOC), Iran
National Oil Corporation, Libya
Neste Oil, Finland
Nexen, Canada
Nippon Oil, Japan
NNPC, Nigeria
Northern Resources[1], Canada
Northern Oil and Gas[2], United States of America
Nusantara Oilfield Sdn. Bhd., Malaysia
Oil Planet International Corporation OPIC united States of America www.oilplanetinternationcorp.com
Oil and Gas Development Company Limited[3], Pakistan
Occidental Petroleum, United States of America
Oil India Limited, India
Oil and Natural Gas Corporation, India
OilandGasSuppliers.com [4], United States of America
Oman Oil Company (OOC), Oman
OMV, Austria
ONGC, India
PKN Orlen S.A., Poland
Pacific Rubiales Energy, Canada
PSO, Pakistan
Pakistan Petroleum Pakistan
Pasargad Oil, Iran
Petroleos Mexicanos, Mexico
Pertamina, Indonesia
Petróleos de Venezuela, Venezuela
PetroAlam, Egypt
Petroleum Development Oman,(PDO)
Perenco, France, United Kingdom
Petro-Canada, Canada
Petrobras, Brazil
PetroChina, China
PetroKazakhstan, Kazakhstan
Petrom, Romania
Petron Corporation, Philippines
PETRONAS, Malaysia
Petronet LNG Limited, India
Petropars Ltd., Iran
Petroperu, Peru
PETROTRIN, Trinidad and Tobago
PetroVietnam, Vietnam
Polish Oil and Gas Company, Poland
Plains Exploration & Production Company (PXP), United States of America
PTT Public Company Limited, Thailand
Qatar Petroleum, Qatar
Questar, United States of America
Reliance Industries Limited, India
Repsol YPF, Spain
Revus, Norway
Rompetrol Group N.V., Romania
Rosneft, Russia
Royal Dutch Shell, Netherlands, United Kingdom
RWE Dea AG, Germany
Sagiz Petroleum, Kazakhstan
Samir (Société Anonyme Marocaine de l'Industrie du Raffinage), Morocco
San-Ai Oil, Japan
Santos Limited, Australia
Sasol, South Africa
Saudi Aramco, Saudi Arabia (the largest in the world)
Schlumberger solutions France
Shell Canada, Canada (subsidiary of Royal Dutch Shell)
Shell Oil Company, United States of America (subsidiary of Royal Dutch Shell)
Sinclair Oil, United States of America
Sinopec, China
Snpc, Congo-Brazzaville
Sonangol, Angola
Sonatrach, Algeria
Sovereign Group, USA, Russia
Singapore Petroleum Company, Singapore
Statoil, Norway
State Oil Company of Azerbaijan, SOCAR Azerbaijan
Somerset Refinery, United States of America
St. Mary Land & Exploration, United States of America
State Oil Company of Suriname, Suriname
Suncor Energy, Canada
Surgutneftegaz, Russia
Syncrude, Canada
Talisman Energy, Canada
Tesoro, United States of America
Texaco, United States of America
THUMS, United States of America
Todd Energy, New Zealand
Total, France
Tullow Oil, United Kingdom
Türkiye Petrolleri Anonim Ortaklığı (TPAO), Turkey
United Refining Company, United States of America
Ucimet Ltd, UK
Vaalco Energy Inc., United States of America
Valero Energy Corporation, United States of America
Vegas Oil and Gas (Kriti), Egypt
Venoco Inc., United States of America
Wintershall, Germany
Woodside Petroleum, Australia
XTO Energy, United States of America
YPF, Argentina
YPFB, Bolivia
Zorro Oil, Jember
Halliburton, United States of America
American Eagle Oilfield Services & Supplies, Inc., Katy, Texas, United States of America; Independent
Anadarko Petroleum Corporation, The Woodlands, Texas, United States of America; Independent
ANCAP, Uruguay
Apache Corporation, Houston, Texas, United States of America; Independent
Arabian Gulf Oil Company (AGOCO), Libya
Arbusto Energy, dba: Spectrum 7, United States of America, Saudi Arabian, and possibly Swiss ownership. Bought out by Harken Oil & Gas in 1986
Assam Oil Company Ltd. (ACL), India
Assama Oil Services (Tripoli), Libya
Al-Obaid Oil Services (Dhanbad),India
Atlantic Petroleum, Faroe Islands
Athlone Group, United Kingdom
Bharat Petroleum Corporation Limited, India
BG Group, United Kingdom
BHP Billiton, Australia
BreitBurn Energy, California, United States of America
Buzachi Petroleum Operating, Kazakhstan
British Petroleum (BP), United Kingdom
Cairn Energy, United Kingdom
Canadian Natural Resources, Canada
Chevron Corporation, San Ramon, California, United States of America
Chem-Energy Corporation, United States of America
Chestnut Petroleum, Inc., Richardson, Texas, United States of America
Chief Oil and Gas, Dallas, Texas, United States of America
Citgo, Venezuela
CNOOC Ltd., China
ConocoPhillips, United States of America
Cooper Energy, Australia
Cosmo Oil Company, Japan
Crown Central Petroleum, United States of America
Cupet, Cuba
Denbury Resources, Inc., United States of America
Det Norske Oljeselskap ASA, Norway
Devon Energy, United States of America
Dong, Denmark
Ecopetrol, Colombia
Edoardo Raffinerie Garrone, Italy
Empresa Nacional del Petróleo (ENAP), Chile
Enbridge, Canada
EnCana, Canada
Energi Mega Persada, Indonesia
Energopetrol, Bosnia
ENSCO International, United States of America
Eni, Italy
ENX, Switzerland
ENXRU, Russia
Essar oil ltd., India
Entreprise Tunisienne d'Activites Petroliere (ETAP), Tunisia
Eser Corporation, United States of America
ExxonMobil, United States of America
First Texas Energy Corporation, United States of America
Flying Jadooo (for sale), United States of America
Galp Energia, Portugal
Gazprom, Russia
Geoexploration india, IN, India
Global Energy Swiss AG, ZUG, Swizterland
Greka Energy, United States of America
Grupa LOTOS, Poland
Gujarat Gas Co. Ltd., India
Gujarat State Petroleum Corporation, India
Gulf Oil, Luxembourg
Harken Energy Corporation, dba: HKN Southlake, Texas, United States of America of America
Hellenic Petroleum, Greece
Hess Corporation, United States of America
Hindustan Petroleum Corporation Ltd, India
Husky Energy, Canada
IB Daiwa, Japan
Imperial Oil, Canada
INA – Industrija Nafte, Croatia
Indian Oil Corporation, India
Inpex, Japan
Irkutsk Oil Company, Russia
Irving Oil, Canada
IQ Petroleum, USA
Japan Energy, Japan
Japan Petroleum Exploration Company Limited (JAPEX), Japan
Jay Oil, Iran
Kaz-Munay Gaz, Kazakhstan
Karazhanbas Munay, Kazakhstan
Korea National Oil Corporation(KNOC), South Korea
Koch Industries, United States of America
Kuwait German Petroleum Company, Canada
Kuwait Gulf Oil Company, Kuwait
Kuwait National Petroleum Company Kuwait.
Kuwait Oil Company, Kuwait
Kuwait Petroleum Corporation, Kuwait
Leowit Group Ltd, Hong Kong
LUKoil, Russia
M3nergy Gamma SDN. BHD., Malaysia
Maersk, Denmark
Marathon Oil Corporation, United States of America
Maurel & Prom, France
Mari Gas Company Limited, Pakistan
Maxol Group, Republic of Ireland
MedcoEnergi, Indonesia
Misc, Malaysia
MOL Group, Hungary
Naftna Industrija Srbije, Serbia
Naftogas of Ukraine, Ukraine
National Iranian Oil Company (NIOC), Iran
National Oil Corporation, Libya
Neste Oil, Finland
Nexen, Canada
Nippon Oil, Japan
NNPC, Nigeria
Northern Resources[1], Canada
Northern Oil and Gas[2], United States of America
Nusantara Oilfield Sdn. Bhd., Malaysia
Oil Planet International Corporation OPIC united States of America www.oilplanetinternationcorp.com
Oil and Gas Development Company Limited[3], Pakistan
Occidental Petroleum, United States of America
Oil India Limited, India
Oil and Natural Gas Corporation, India
OilandGasSuppliers.com [4], United States of America
Oman Oil Company (OOC), Oman
OMV, Austria
ONGC, India
PKN Orlen S.A., Poland
Pacific Rubiales Energy, Canada
PSO, Pakistan
Pakistan Petroleum Pakistan
Pasargad Oil, Iran
Petroleos Mexicanos, Mexico
Pertamina, Indonesia
Petróleos de Venezuela, Venezuela
PetroAlam, Egypt
Petroleum Development Oman,(PDO)
Perenco, France, United Kingdom
Petro-Canada, Canada
Petrobras, Brazil
PetroChina, China
PetroKazakhstan, Kazakhstan
Petrom, Romania
Petron Corporation, Philippines
PETRONAS, Malaysia
Petronet LNG Limited, India
Petropars Ltd., Iran
Petroperu, Peru
PETROTRIN, Trinidad and Tobago
PetroVietnam, Vietnam
Polish Oil and Gas Company, Poland
Plains Exploration & Production Company (PXP), United States of America
PTT Public Company Limited, Thailand
Qatar Petroleum, Qatar
Questar, United States of America
Reliance Industries Limited, India
Repsol YPF, Spain
Revus, Norway
Rompetrol Group N.V., Romania
Rosneft, Russia
Royal Dutch Shell, Netherlands, United Kingdom
RWE Dea AG, Germany
Sagiz Petroleum, Kazakhstan
Samir (Société Anonyme Marocaine de l'Industrie du Raffinage), Morocco
San-Ai Oil, Japan
Santos Limited, Australia
Sasol, South Africa
Saudi Aramco, Saudi Arabia (the largest in the world)
Schlumberger solutions France
Shell Canada, Canada (subsidiary of Royal Dutch Shell)
Shell Oil Company, United States of America (subsidiary of Royal Dutch Shell)
Sinclair Oil, United States of America
Sinopec, China
Snpc, Congo-Brazzaville
Sonangol, Angola
Sonatrach, Algeria
Sovereign Group, USA, Russia
Singapore Petroleum Company, Singapore
Statoil, Norway
State Oil Company of Azerbaijan, SOCAR Azerbaijan
Somerset Refinery, United States of America
St. Mary Land & Exploration, United States of America
State Oil Company of Suriname, Suriname
Suncor Energy, Canada
Surgutneftegaz, Russia
Syncrude, Canada
Talisman Energy, Canada
Tesoro, United States of America
Texaco, United States of America
THUMS, United States of America
Todd Energy, New Zealand
Total, France
Tullow Oil, United Kingdom
Türkiye Petrolleri Anonim Ortaklığı (TPAO), Turkey
United Refining Company, United States of America
Ucimet Ltd, UK
Vaalco Energy Inc., United States of America
Valero Energy Corporation, United States of America
Vegas Oil and Gas (Kriti), Egypt
Venoco Inc., United States of America
Wintershall, Germany
Woodside Petroleum, Australia
XTO Energy, United States of America
YPF, Argentina
YPFB, Bolivia
Zorro Oil, Jember
Halliburton, United States of America
References
Silvestre, B. S., Dalcol, P. R. T. Geographical proximity and innovation: Evidences from the Campos Basin oil & gas industrial agglomeration — Brazil. Technovation (2009), doi:10.1016/j.technovation.2009.01.003</span>
Silvestre, B. S., Dalcol, P. R. T. Geographical proximity and innovation: Evidences from the Campos Basin oil & gas industrial agglomeration — Brazil. Technovation (2009), doi:10.1016/j.technovation.2009.01.003</span>
