Mechel OAO, together with its subsidiaries, engages in mining and steel businesses in the Russian Federation, the Commonwealth of Independent States, Europe, Asia, the Middle East, and internationally. The company operates through four segments: Mining, Steel, and Power. The Mining segment produces and sells metallurgical and steam coal, coke, iron ore, and limestone, as well as chemical products, such as coal tar, naphthalene, and other compounds. The Steel segment produces and sells semi-finished steel products, carbon and specialty long products, carbon and stainless flat products, wire products, forgings, and stampings and others, as well as ferrosilicon. The Power segment generates, distributes, and sells value-added products made from steam coal, such as electricity and heat energy. The company, formerly known as Mechel Steel Group OAO, was founded in 2003 and is based in Moscow, the Russian Federation.