PTT Public Company Limited, together with its subsidiaries, engages in petroleum business in Thailand, rest of Asia, Europe, the Americas, and internationally. The company is involved in the exploration and production of petroleum; natural gas procurement, pipeline transmission, distribution, and separation activities; and management and maintenance services of port, LNG storage, and LNG station, as well as cooling management and other related businesses. In addition, it engages in the investment, mining, and marketing of coal; and marketing of petroleum products and lube oil through an operating system of procurement, storage, and distribution of products, as well as the retail business at service stations. Further, the company is involved in the import and export of petroleum and petrochemical products, as well as other related products; production and distribution of electricity, steam, and water for industrial purpose; and provision of project management, human resource support, petroleum related technology, consultant management, technical consultant for electricity businesses, petrol station and convenience store management, factory maintenance and engineering, oil and gas, and safety and environmental services, as well as engages in wind power project development. Additionally, it produces and distributes chilled water/constructs and installs electricity generating systems; develops electricity power production projects; distributes polymers products, and other polymers-related products; develops real estate; operates vocational schools; and manufactures and distributes biochemical products, paraxylene, and industrial coatings and additives, as well as engages in the transportation of polyethylene. It engages in the provision of financial and online car services; coffee and beverage business; and manufacturing and distributing petrochemical and health and nutrition products. The company was founded in 1978 and is headquartered in Bangkok, Thailand.