Woodside Petroleum Ltd engages in the exploration, evaluation, development, production, marketing, and sale of hydrocarbons in Oceania, Asia, Canada, Africa, and internationally.
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.
Santos Limited explores for, develops, produces, transports, and markets hydrocarbons for homes and businesses in Australia and Asia.
Caltex Australia Limited engages in purchasing, refining, and distributing petroleum products in Australia, New Zealand, and Singapore.
Washington H. Soul Pattinson and Company Limited, together with its subsidiaries, engages in the equity investment, mining, and property investment businesses.
Oil Search Limited explores for, develops, and produces oil and gas properties in Papua New Guinea, the United States, and Australia.
Beach Energy Limited operates as an oil and gas exploration and production company.
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.
Viva Energy Group Limited operates as an energy company in Australia, Singapore, and Papua New Guinea.
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.
Kina Petroleum Corporation engages in the acquisition, exploration, and development of oil and gas assets primarily in Papua New Guinea.
Energy Resources of Australia Ltd engages in mining, processing, and selling uranium oxide.