Our Membership base continues to grow year on year with Members collectively representing well over two thirds of the world's oil production. This is a reflection of our reputation, the quality of our people and the extensive range of services accessible through Membership.
Participant Members (Shareholders)

Apache

BHP

BP

Chevron

CNOOC

CNR International

ConocoPhillips

Dubai Petroleum

ENI S.p.A

ENQUEST

Equinor

ExxonMobil

Hess Corporation

Husky Oil

INEOS

Inpex Corporation

Kuwait Oil Company

Marathon Oil

Marquard & Bahls

Murphy Exploration and Production Company

Noble Energy

NOGA Holding

North Oil Company

Occidental

ONGC

Perenco

Petroleo Brasiliero S.A (Petrobras)

Petron Corporation

Petronas

Phillips 66 Ltd

PTT

Qatar Petroleum

Repsol Exploration S.A

Saudi Aramco

Shell

Total

Trafigura

Tullow Oil

Woodside
Associate Members
ABP Southampton
Addax Petroleum Services Limited
Aker Energy As
Amni International Petroleum Development Co Ltd
Anasuria Operating Company Limited
Ancala Midstream
Angola LNG
Assala Energy
Astron Energy
Autoridad del Canal de Panamá
Azinor Catalyst Limited
Baffinland Iron Mines Corporation
Bergesen Worldwide Limited
BPC (A) Limited
Brunei Gas Carriers Sdn Bhd
Byco Petroleum Pakistan Limited
Cairn Energy PLC
Canada-Nova Scotia Offshore Petroleum Board
CATS North Sea Limited
Chariot Oil & Gas
Chrysaor Limited
Dana Petroleum PLC
DEA Norge AS
Decipher Energy Limited
Dolphin Energy Limited
Edison SpA
Enauta Energia S.A.
Endeavour Energy (UK) Limited
Environmental Protection Agency (Ghana)
EOG Resources Trinidad Limited
Fairfield Betula Ltd
FAR Limited
Faroe Petroleum (UK) Limited
Foxtrot International LDC
Galoc Production Company W.L.L.
Gassco AS
Genal Energy Petroleum Services Limited
Gibraltar Port Authority
Glencore Exploration Cameroon Ltd
GTI Statia Terminals N.V.
Hengyi Industries Sdn Bhd
Heritage Petroleum Company Limited
Hurricane Exploration PLC
IPC Services BV
Irish Coast Guard (Department of Transport)
Irving Oil Whitegate Refinery Limited
Ithaca Energy (UK) Limited
Jadestone Energy (Eagle) Pty Ltd
JX Nippon Oil and Gas Exploration Corporation
Karoon Energy Ltd
KMG Systems and Services
Kosmos Energy LLC
KrisEnergy (Asia) Ltd
La Compania de Electricidad de San Pedro de Macoris (CESPM)
Le Ceppol
LLOG Exploration Company LLC
Lundin Services B.V.
Maritime New Zealand
MDC Oil & Gas Holding Company LLC (Mubadala Petroleum)
Medco Energi Thailand (Bualuang) Limited
Melones Oil Terminal Inc.
Neptune Energy
New Age (African Global Energy) Limited
Nigeria LNG Limited
Nord Stream 2
North Caspian Operating Company (NCOC) B.V.
Oil Search (PNG) Limited
Oleoduto Central S.A. (OCENSA)
OMV Exploration and Production GmbH
Oranje-Nassaue Energie UK Limited
Oriental Energy Resources Ltd
Pan African Energy Tanzania Limited
Petroci CI-11 Ltd
Petrofac (Malaysia PM-304) Ltd
Petrogas E&P Netherlands B.V
Petrojam Limited
Petroterminal de Panama (PTP)
POSCO International Corporation
Premier Oil & Gas Services Limited
Refinadora Costarricense de Petroleo S.A. (RECOPE)
Refineria Dominicana de Petroleo S.A. (Refidomsa)
Reliance Industries Ltd (Oil & Gas Division)
Rijkswaterstaat Zee En Delta
Rubis Energie
Santos Limited
SapuraOMV Upstream (PM) INC
Sasol Petroleum Temane Limitada
SEA Hibiscus SDN. BHD.
Secretariat of the Pacific Regional Environment Programme (SPREP)
Siccar Point Energy
Singapore Lube Park Pte. Ltd
Sociedad de Salvamento y Seguridad Maritima (SASEMAR)
Societe Anonyme de la Raffinerie des Antilles (SARA)
Sol Caribbean Limited
South-East Asia Crude Oil Pipeline Co., Ltd (SEAOP)
Spirit Energy
Staatsolie Maatschappij Suriname NV
Supreme Council for Environment, Bahrain
Suncor Energy Inc
Tailwind Energy Limited
Tailwind Mistral Ltd
Taq Taq Operating Company Limited (TTPPCO)
TAQA Bratani Limited
Terminales Maritimas Patagonicas S.A. (Termap)
The Commonwealth of Australia - Department of Industry, Science, Energy and Resources
Trident Energy Management Limited
Trinity Exploration & Production Services Limited
Turkiye Petroleum Refineries Corporation (TUPRAS)
Vaalco Energy Inc.
Vedanta Limited
Vermilion REP SAS
Verus Petroleum UK Limited
Vivo Energy BV Investment
West Indies Oil Company Limited
Wintershall DEA GMBH
YPF S.A.
Zenith Energy Bantry Bay Terminal Limited
Zennor Petroleum Limited