Daftar Perusahaan Minyak menurut alfabet (World Oil Company)

A

* Alon USA, Flag of the United States.svg Amerika Serikat
* Amerada Hess Corporation, Flag of the United States.svg Amerika Serikat
* Anadarko Petroleum Corporation, Flag of the United States.svg Amerika Serikat
* Arbusto Energy, Flag of the United States.svg Amerika Serikat

B

* BG Group, United Kingdom
* Bharat Petroleum Corporation Limited, India
* BHP Billiton, Australia
* BP, United Kingdom

C

* Cairn Energy, India
* Canadian Natural Resources, Kanada
* Charottar Gas Sahkari Mandli., India
* Chevron Corporation, Amerika Serikat
* Chem-Energy Corporation, Amerika Serikat. lihat [2]
* Citgo, Venezuela
* CNOOC Ltd., Flag of the People's Republic of China.svg Republik Rakyat Cina
* ConocoPhillips, Flag of the United States.svg Amerika Serikat
* Cupet, Kuba

D

* Devon Energy, Flag of the United States.svg Amerika Serikat

E

* Ecopetrol, Kolombia
* Enbridge, Kanada
* EnCana, Kanada
* ENSCO International, Flag of the United States.svg Amerika Serikat. lihat [3]
* Elinoil Hellenic Petroleum Comopany S.A., Yunani
* Eni, Italy
* Essar Oil, India
* ExxonMobil, Flag of the United States.svg Amerika Serikat

G

* Gujarat Oleo Chem Ltd., India
* Geo Global Resources., India
* Grupa LOTOS, Polandia
* Gujarat Gas Co. Ltd., India
* Gujrat State Petroleum Corporation, India
* Gulf Oil, Flag of the United States.svg Amerika Serikat

H

* Halliburton, Flag of the United States.svg Amerika Serikat
* HOECL, India
* Husky Energy Inc., Kanada

I

* Imperial Oil, Flag of Canada.svg Kanada
* Indian Oil Corporation, Flag of India.svg India
* INPEX Corporation, Flag of Japan.svg Jepang
* Irving Oil, Flag of Canada.svg Kanada

J

* Jubiliant Empro, India
* JHON ENERGY, India

K

* Kerr-McGee, Flag of the United States.svg Amerika Serikat
* Koch Industries, Flag of the United States.svg Amerika Serikat
L

* The Louisiana Land & Exploration Company, Flag of the United States.svg Amerika Serikat
* LUKoil, Rusia
M

* Marathon Oil Corporation, Flag of the United States.svg Amerika Serikat
* Maxol Group, Republic Irlandia
* Medco Energi, Indonesia

N

* Neste Oil, Finlandia
* NNPC, Nigeria
* Norsk Hydro, Norwegia
* North Atlantic Petroleum, Kanada
* Northern Territory Oil Limited, Australia

O

* Oil India Limited, India
* OMV, Austria
* ONGC, India
* Orlen, Polandia

P

* Petronet LNG Limited, India
* Piyush Petroleum Co. Ltd, India
* Pankaj Petroleum Co. Ltd, India
* Petróleos de Venezuela, Venezuela
* Petroleos Mexicanos, Meksiko
* Petro-Canada, Kanada
* Petro Peru, Peru
* Petrobras, Brasil
* PetroChina, Cina
* Petroconpak, Pakistan
* PetroKazakhstan, Kanada
* Petronas, Malaysia
* Petrotrin, Trinidad dan Tobago
* Pertamina, Indonesia
* Prize Petroleum CO.LTD., India
* Pogo Producing, Flag of the United States.svg Amerika Serikat
* Pakistan State Oil, Pakistan

Q

* Qatar Petroleum, Qatar

R

* Reliance Industries Limited, India
* Repsol YPF, Spanyol
* Royal Dutch Shell, Belanda, United Kingdom
S

* Santos Limited, Australia
* Saudi Aramco, Arab Saudi (the largest in the world)
* Selan Exploration Tech.Ltd., India
* Shell Canada, Kanada (anak perusahaan dari Royal Dutch Shell)
* Shell Oil Company, Flag of the United States.svg Amerika Serikat (anak perusahaan dari Royal Dutch Shell)
* Ship N Oil Corporation, Flag of the United States.svg Amerika Serikat. lihat [4]
* Sinclair Oil, Flag of the United States.svg Amerika Serikat
* Sinopec, Cina
* Sonangol, Angola
* Sonatrach, Aljazair
* SPC, Singapura
* Statoil, Norwegia
* Stuart Petroleum Limited, Australia
* Sunoco, Flag of the United States.svg Amerika Serikat
* Suncor Energy, Kanada
* Surgutneftegaz, Rusia
* Syncrude, Kanada

T

* Talisman Energy, Kanada
* Teikoku Oil, Jepang
* Todd Energy, Selandia Baru
* Total, Perancis
* Tüpraş, Turki
* Tri Star, Australia

U

* United Petroleum, Australia
V

* Vaalco Energy Inc., Flag of the United States.svg Amerika Serikat
* Van Doren Oil, Flag of the United States.svg Amerika Serikat
* VICO Indonesia, Flag of Indonesia.svg Indonesia

W

* Woodside Petroleum, Australia
Y

* YPFB, Bolivia
* YUKOS, Rusia