PTT Public Company Limited engages in upstream and downstream petroleum, coal, power, and infrastructure businesses in Thailand and internationally. The company is involved in the natural gas supply, procurement, wholesale and retail gas sale, and gas-related value-added businesses; and provides liquid fuels, liquefied petroleum gas (LPG), lubricating oils and other lubricating products, and retail non-oil products to consumers through service stations, as well as to civil servant groups, state enterprise workers, industries, aircraft, ocean liners, and fishing vessels. It also engages in procurement, import, export, and trades in crude oil; condensate; LPG; petroleum and petrochemical products; chemical solvents; coal; and palm products, such as crude palm oil, refined palm oil, and palm kernel shells, as well as onshore and offshore gas distribution activities serving power generators, natural gas separation plants, NGV stations, and industrial plants. In addition, it explores for and produces petroleum; produces electricity, steam, and demineralized water for industrial users, as well as offers engineering, construction design, project construction, and maintenance services; and mines, produces, and sells coal products primarily in Asian countries. Further, the company is involved in petrochemical and refining activities; and gas transmission pipeline asset management, property development, and office building service operations. It operates 1,627 service stations; and manages 11 jet fuel stations, 20 oil terminals, 4 LPG terminals, 5 petroleum terminals, and 4 LPG-bottling plants. PTT Public Company Limited was founded in 1978 and is headquartered in Bangkok, Thailand.