World Petroleum Council - World Petroleum CouncilWPC
ENOC - ENOCENOC
ADNOC - ADNOCADNOC
Sonangol - SonangolSonangol Group
Yacimientos Petrolíferos Fiscales - Yacimientos Petrolíferos FiscalesTreasury Petroleum Fields
OMV - OMV
SOCAR - SOCAR,SOCAR
Transpetrol - TranspetrolTranspetrol Ltd.
Petrobras - Petrobras
Нефтегазсистема - Нефтегазсистема,Neftegazsystema
Enbridge - EnbridgeEnbridge Inc.
Gulf Canada - Gulf Canada,Gulf Canada
Husky Energy - Husky Energy,Husky Energy Inc.
Irving Oil - Irving Oil,Irving Oil Ltd.
Petro Canada - Petro CanadaPetro Canada
Imperial - ImperialImperial Oil Ltd.
Petroplus - PetroplusPetroplus Holdings AG
Transocean - TransoceanTransocean Ltd.
Vitol - VitolVitol Group
Weatherford - WeatherfordWeatherford
CNOOC - CNOOCCNOOC
CNPC - CNPC,CNPC
Petrochina - PetrochinaPetroChina Co. Ltd.
Sinopec - SinopecSinopec Group
Terpel - Terpel
Ocean Rig - Ocean RigOcean Rig
Petronor - Petronor
Wintershall Dea - Wintershall Dea
Sonatrach - SonatrachSonatrach
CEPSA - CEPSASpanish Petroleum Company
Natrugy - Natrugy
Repsol - Repsol
ABC-asemat - ABC-asemat
Neste - Neste
Teboil - Teboil,
Engie - Engie
Engie Cofely - Engie Cofely
TotalFinaElf - TotalFinaElfTotalFinaElf Group
TotalEnergies - TotalEnergies,
Hellenic Petroleum - Hellenic PetroleumHellenic Petroleum SA
Motor Oil Hellas - Motor Oil HellasMotor Oil Hellas
Pearl Oriental - Pearl OrientalPearl Oriental
Pertamina - PertaminaPertamina
Indian Oil - Indian OilIOCL
ONGC - ONGCONGC
MAPNA - MAPNAMAPNA Group
ERG - ERG
Eni - Eni
Japan Oil - Japan Oil,JOGMEC
idemitsu - idemitsuidemitsu
Nexen - NexenNexen
Poongsan - PoongsanPoongsan Corporation
SK Energy - SK EnergySK Energy
Q8 - Q8,Q8
Kazmunai - Kazmunai,Kazmunai
КТО - КТО,KazTransOil
Mažeikių nafta - Mažeikių nafta,ORLEN Lietuva
Pemex - Pemex
Petronas Dagangan - Petronas DaganganPetronas Dagangan
LyondellBasell - LyondellBasell
Aker Solutions - Aker SolutionsAker Solutions
Equinor - Equinor
PGS - PGS
Offshore Norge - Offshore Norge,Norwegian Oil and Gas
Petroperú - Petroperú
Petron - PetronPetron Corporation
Philippine National Oil - Philippine National OilPNOC
Heg Gaz - Heg Gaz
Petrom - Petrom,
OMV Petrom - OMV Petrom
ERIELL - ERIELLERIELL Group
LUXE - LUXELUXE
Pennzoil Marine - Pennzoil MarinePennzoil Marine
SPE - SPE,SPE
АМНГР - АМНГР,AMNGR
Башнефть - Башнефть,Bashneft
Экспонефть - Экспонефть,Exponeft
Газораспределение - Газораспределение,Gazoraspredeleniye
Газпром нефть - Газпром нефть,Gazprom Oil
Интегра - Интегра,Integra
Лукойл Балтия - Лукойл Балтия,Lukoi Baltija
Лукойл - Лукойл,Lukoil
Мособлгаз - Мособлгаз,Mosoblgaz
Нарьян-Марнефтегаз - Нарьян-Марнефтегаз,Narianmarneftegaz
Нефтетранс - Нефтетранс,Neftrans
НКНХ - НКНХ,NKNH
Роснефть - Роснефть,Rosneft
Роснефтегаз - Роснефтегаз,Rosneftegaz
РуссНефть - РуссНефть,Russneft
Сахалин Энерджи - Сахалин Энерджи,Sakhalin Energy
Салым Петролеум - Салым Петролеум,Salympetroleum
Севернефтегазпром - Севернефтегазпром,Severneftegazprom
СИБУР-Нефтехим - СИБУР-Нефтехим,Sibur Neftehim
SINTEC - SINTEC,SINTEC Lubricants
Славнефть - Славнефть,Slavneft
Сургутнефтегаз - Сургутнефтегаз,Surgutneftegaz
ТАИФ - ТАИФ,TAIF
Татнефть - Татнефть,Tatneft
ТНГФ - ТНГФ,TNGF
ТНК-BP - ТНК-BP,TNK-BP
Транснефть - Транснефть,Transneft
Saudi Aramco - Saudi AramcoSaudi Aramco
Preem - Preem
Nynas - Nynas
Petrol - Petrol
BOTAŞ - BOTAŞ
Petrol Ofisi - Petrol Ofisi
Нафтогаз - Нафтогаз,Naftogaz
Укртатнафта - УкртатнафтаUkrtatnafta
Afren - AfrenAfren
BG - BGBG Group plc
Castrol - CastrolCastrol Ltd.
Millers Oils - Millers OilsMillers Oils Ltd.
IOGP - IOGP,IOGP
Petrofac - PetrofacPetrofac
Shell - ShellShell plc
BP - BP,BP plc
Wood - WoodWood Group
Abraxas Petroleum - Abraxas PetroleumAbraxas Petroleum Corporation
Anadarko - AnadarkoAnadarko Petroleum Corporation
Apache Corporation - Apache CorporationApache Corporation
Baker Hughes - Baker HughesBaker Hughes
Bateman Litwin NV - Bateman Litwin NVBateman Litwin NV
Cenex - CenexCenex
ConocoPhillips - ConocoPhillipsConocoPhillips
Coterra - CoterraCoterra
Caltex - CaltexCaltex
Chevron - ChevronChevron Corporation
Enterprise Products - Enterprise ProductsEnterprise Products
Esso - Esso,Esso
Exxon - Exxon,Exxon
ExxonMobil Chemicals - ExxonMobil Chemicals,ExxonMobil Chemicals
Gas South - Gas SouthGas South
Halliburton - Halliburton,Halliburton Company
Hess - HessHess Corporation
Kinder Morgan - Kinder MorganKinder Morgan Inc.
Marathon Oil - Marathon OilMarathon Oil
Masoneilan - MasoneilanMasoneilan
Murphy Oil - Murphy OilMurphy Oil Corporation
Mobil - MobilMobil
NOV - NOVNOV Inc.
Occidental Petroleum - Occidental PetroleumOxy
Pennzoil - PennzoilPennzoil
SLB - SLB,SLB
Sunoco - SunocoSunoco LP
Andeavor - AndeavorAndeavor
Texaco - Texaco,Texaco Inc.
Valero Energy - Valero EnergyValero Energy
Matrix Service - Matrix ServiceMatrix Service Company
PDVSA - PDVSA
Pioneer Natural Resources - Pioneer Natural ResourcesPioneer Natural Resources Company