Banpu PCL is an Asian energy company operating business in the coal, power generation, and integrated energy sectors. the company engaged in three core groups of businesses which are Energy resources, Energy generation, and Energy technology. The group has operations in Thailand and overseas which are mainly in Indonesia, Australia, China, Mongolia, Vietnam, Japan, and the United States. The company operates coal and coal-related businesses, including investment, exploration and development, and production of thermal coal, and its core activities are open-pit and underground coal mining operations.