STX Corporation engages in energy, commodity, and machinery and engine trading activities in South Korea and internationally. The company supplies coal and cokes to generating plants, thermal power plants, and cement companies; biomass and wood; and trades in petroleum products, such as aromatic oil products, olefin, and gasoline and diesel components. It also exports, imports, and trades in non-ferrous metals, including aluminum, zinc, stainless steel, and nickel; offers nickel brackets and stainless steel products; and steel products to the construction, automobile, home appliance, and shipbuilding industries. In addition, the company provides warships and defense products; engines to vessels and diesel power plants; drinking water development; motor vehicles and special vehicles trading; personal mobility; and medical devices and healthcare products. Further, the company offers aero services; integrated infrastructure; IT solutions, such as system, network, security; IT consulting, including infrastructure, solution, and security consulting; and outsourcing services. Additionally, it provides vessel management and marine engineering, marine and offshore, and part supplying services; operates resorts; and offers group catering specialized food service business services. STX Corporation was founded in 1976 and is based in Seoul, South Korea. STX Corporation is a subsidiary of AFC MERCURY CO., LTD.