Woodside Petroleum Ltd engages in the exploration, evaluation, development, production, marketing, and sale of hydrocarbons in Oceania, Asia, Canada, Africa, and internationally.
Santos Limited explores for, develops, produces, transports, and markets hydrocarbons for homes and businesses in Australia and Asia.
Origin Energy Limited, an integrated energy company, engages in the exploration and production of natural gas, electricity generation, wholesale and retail sale of electricity and gas, and sale of liquefied natural gas in Australia and internationally.
Ampol Limited engages in purchasing, refining, and distributing petroleum products in Australia, New Zealand, and Singapore.
Oil Search Limited explores for, develops, and produces oil and gas properties in Papua New Guinea, the United States, and Australia.
Washington H. Soul Pattinson and Company Limited, together with its subsidiaries, engages in the equity investment, mining, and property investment businesses.
Beach Energy Limited operates as an oil and gas exploration and production company.
Viva Energy Group Limited operates as an energy company in Australia, Singapore, and Papua New Guinea.
Yancoal Australia Ltd engages in the exploration, development, production, and marketing of metallurgical and thermal coal in Japan, Singapore, China, South Korea, Taiwan, Thailand, Australia, and internationally.
Whitehaven Coal Limited develops and operates coal mines in New South Wales and Queensland.
New Hope Corporation Limited explores, develops, produces, and processes coal, and oil and gas properties.
Cooper Energy Limited, an upstream oil and gas exploration and production company, engages in the discovery, commercialization, and sale of gas to south-east Australia.
Energy Resources of Australia Ltd engages in mining, processing, and selling uranium oxide.
Senex Energy Limited explores for and produces oil and gas resources in Australia.