Halliburton

regionHouston, Texas

halliburton.com

LIQUI MOLY

liqui-moly.com

Texaco

parent coChevron

Adaro

regionIndonesia

adaro.com

Agip

Albpetrol

regionAlbania

albpetrol.al

Algerian Petroleum Institute, state owned, Oil and Gaz Personnel Training

All State Properties Holdings

regionUnited States

allstatepropertiesholdings.com

Amalie

amalie.com

Aral

parent coBP

aral.de

ARCO

parent coTesoro

regionLa Palma, California

arco.com

Atlantic Petroleum

regionTórshavn, Faroe Islands

petroleum.fo

Attock Petroleum, oil & gas marketing

Axis Petroleum

Bahrain Petroleum

regionBahrain

Bankers Petroleum

Baraka Petroleum

regionAustralia

Bardahl

bardahl.com

Bayshore Petroleum

Bayside Petroleum

Bayside Petroleum Co

Beach Petroleum

regionAustralia

Berry Petroleum

Bharat Petroleum

regionIndia

Big Sky Petroleum

Black Star Petroleum

regionAustralia

Border Petroleum

regionCanada

Borders & Southern Petroleum

borders.co.uk

British Petroleum

Byco Petroleum, refinery

Cadogan Petroleum

Callon Petroleum

Canadian Overseas Petroleum

Canadian Tire Gas+

parent coCanadian Tire

regionCanada

gasplus.canadiantire.ca

Caribbean Petroleum defunct

Carnarvon Petroleum

regionAustralia

Caspian Drilling Company

Central Energy Partners

regionUnited States

Central Petroleum

regionAustralia

CEPSA

cepsa.com

Ceylon Petroleum Corporation, oil equipment and services (state owned)

Chennai Petroleum

China National Petroleum (CNPC)

regionChina

China Petroleum & Chemical

regionChina

Chord Energy

regionHouston, Texas

chordenergy.com

Chun Can International Group

regionUnited States

Condor Petroleum

regionCanada

Dala Petroleum

Daqing Petroleum and Chemical Group

regionHong Kong

Davis Fuels

regionCanada

davisfuels.ca

Dowler-Karn

parent coMcDougall Energy

regionLondon, Canada

dowlerkarn.com

East West Petroleum

Eco-Petroleum Solutions

regionUnited States

Eco-Tek Group

regionCanada

Ecopetrol

Edoardo Raffinerie Garrone (ERG) (petroleum)

Elixir Energy

regionAustralia

elixirenergy.com.au

Elk Petroleum

Elk Petroleum*

regionAustralia

ELK Petroleum**

regionAustralia

Enarsa, state-owned petroleum and natural gas

Engen Botswana

EOG Resources - petroleum, fracking

Evolution Petroleum

Faroe Petroleum

Faroe Petroleum Plc

CO-OP

fcl.crs

FluidOil

regionLondon, UK

fluidoilcorp.com

Fremont Petroleum

regionAustralia

Fuel Performance Solutions

regionUnited States

FUELS INC*

regionCanada

fuelsonline.ca

Ghana National Petroleum Corporation, Oil and Gas

Glen Rose Petroleum

Gray Fox Petroleum

Greenfields Petroleum

Gulfsands Petroleum

Hibiscus Petroleum Bhd

regionMalaysia

Hindustan Petroleum

Hindustan Petroleum Corporation

Horn Petroleum

Hunt Petroleum

Idemitsu Kosan Co.

regionJapan

Ignis Petroleum Group

International Petroleum

parent coLundin Group

international-petroleum.com

International Western Petroleum*

Ipb Petroleum

regionAustralia

Iraq Petroleum

Jordan Petroleum Refinery

Key Petroleum

regionAustralia

Kina Petroleum

regionAustralia

KUFPEC

regionKuwait

kufpec.com

Kuwait Petroleum

regionKuwait

Longwei Petroleum Investment Ho

Magellan Petroleum Australia

regionAustralia

Magnolia Petroleum

magnoliapetroleum.com

Magnolia Petroleum Company defunct

regionGalveston, Texas

Manas Petroleum

Mari Petroleum Company Limited, petroleum exploration

Marine Petroleum Trust

marps-marine.com

Minerva

minervabunkering.com

MNP Petroleum

mnppetroleum.com

National Petroleum

New Marquee

Nigerian National Petroleum Corporation (NNPC), state-owned oil

NX Uranium

regionUnited States

Occidental Petroleum

Oil and Gas Development Company, petroleum exploration

OKTA AD Skopje

okta-elpe.com

Painted Pony Petroleum

Pakistan Oilfields, petroleum exploration

Pakistan Petroleum, state-owned petroleum exploration

Par Pacific

regionHouston, Texas

parpacific.com

Pemex, state-owned petroleum

Penn West Petroleum

Perisson Petroleum

Petroleum Corporation of Jamaica

Petroleum Development Oman

regionOman

Petrosonic Energy

regionUnited States

Phoenix Petroleum Philippines

Pilgrim Petroleum

pilgrimpetroleum.com

President Petroleum

President Petroleum Company

PTT

regionThailand

pttplc.com

PTT, petroleum

Qatar Energy

regionQatar

qatarenergy.qa

Reliance Petroleum

Rival Technologies

regionUnited States

Rix Petroleum

regionHull

Rose Petroleum

RTS Oil Holdings

regionUnited States

Saras (petroleum)

Savannah Petroleum

Seplat Petroleum Develop

Shaanxi Yanchang Petroleum, state-owned oil & gas

ShaMaran Petroleum

regionCanada

shamaranpetroleum.com

Sino Union Petroleum & Chemical

regionHong Kong

Sirius Petroleum

Skyland Petroleum

regionAustralia

Socar Trading

regionBaku, Azerbaijan

socartrading.com

Société Nationale de Commercialisation des Produits Pétroliers

Sokimex, petroleum import/export

Somalia Petroleum Corporation, oil and gas exploration

South Sea Petroleum

regionHong Kong

St1, petroleum

Strat Petroleum

Super Nova Petroleum

Surgutneftegas

regionSurgut, Russia

Talon Petroleum

regionAustralia

Tango Petroleum

regionAustralia

Tenth Avenue Petroleum

Tethys Petroleum

Tethys Petroleum Limited

regionCanada

Tethys Petroleum*

regionCayman Islands

Thaioil

parent coPTT Group

regionThailand

thaioilgroup.com

THE BANGCHAK PETROLEUM

regionThailand

Total Kenya

TransAtlantic Petroleum

Trinity Petroleum TR

Trinity Petroleum Trust

regionUnited States

Tüpraş

tupras.com.tr

Tyler Petroleum

regionTyler, Texas

Ultra Petroleum

Veraz Petroleum

Vietnam Petroleum Institute

Voyager Petroleum

Watson Petroleum

Wolf Petroleum

regionAustralia

World Fuel Services

X-Petroleum

x-petroleum.com

X-Tra Petroleum

Xcana Petroleum

Zebra Fuel

zebra-fuel.com

Zeta Petroleum

regionAustralia

zetapetroleum.com