Bangchak Corporation Public Company Limited, an energy company, engages in the refining and marketing of petroleum products in Thailand, Singapore, Norway, Korea, and internationally. It operates through six segments: Refinery and Oil Trading, Marketing, Electricity, Bio-Based Product, Natural Resource, and Others. The company explores and produces petroleum products; produces biodiesel, ethanol, and biogas; produces and distributes electricity from solar cells; invests in alternative energy business; manufactures and distributes biofuel products; operates service stations; and mines lithium. It serves consumers in various sectors comprising transportation, aviation, shipping, construction, industrial, and agriculture. The company was formerly known as The Bangchak Petroleum Public Company Limited and changed its name to Bangchak Corporation Public Company Limited in April 2017. Bangchak Corporation Public Company Limited was founded in 1984 and is headquartered in Bangkok, Thailand.