Bangchak Corporation is a Thai energy company that operates in various segments of the petroleum and renewable energy industries. It has interests in several core business segments, including refining, marketing, and distribution of petroleum products; production and marketing of petrochemical products; and investment in renewable energy projects. The company owns and operates a refinery in Bangkok, where it refines crude oil into various petroleum products, including gasoline, diesel, and jet fuel. It also operates a network of retail service stations under the "Bangchak" brand. It is involved in the production and sale of petrochemical products, such as olefins, aromatics, and solvents.