•  Amity Oil International Pty Ltd
•  Acergy
•  Advanced Well Technology
•  Agility Limited
•  AGR
•  Allseas
•  Amity Oil International Pty Ltd
•  Apache Energy Limited
•  Arc Energy Limited
•  Atwood Drilling
•  Australian FPSO Management
•  BHP Petroleum Ltd
•  Cairn Energy Ltd.
•  Caldive
•  Cameron Australasia
•  Cogee Resources
•  Cool Energy
•  Cultus Petroleum NL
•  Chevron Texaco
•  Chevron Thailand
•  Diamond Offshore General Company
•  ENI Australia
•  Ensco Oceanics Company
•  Exxon Mobil
•  Geo Subsea
•  Halliburton
•  LNG Limited
•  M3Nergy
•  Maersk
•  Modec
•  Murphy Sarawak Oil Company
•  Nations Energy
•  Newfield Exploration Ltd
•  Nexen Petroleum
•  Novus West Australia Pty Ltd
•  Origin Energy
•  Petrofac Resources International
•  Phillips Petroleum
•  Premium Drilling
•  Production Services Network
•  ROC Oil Company Limited
•  Santos Limited
•  Schlumberger Oilfield Australia Pty Ltd
•  Serica Energy
•  Shell Expro (UK) Ltd
•  Shell Todd Oil Services
•  Statoil Norway
•  Strike Oil
•  Talisman Malaysia Limited
•  Tap Oil Ltd
•  Technip
•  Transalta
•  Transocean Sedco Forex
•  Vermilion Oil and Gas Australia
•  Victoria Petroleum NL
•  West Australian Petroleum Pty Limited
•  Woodside Energy Ltd