SunCoke Energy Inc mines metallurgical coal, a key component of the steelmaking process, and supplies some of America's largest steelmakers. It operates with both underground and surface mines, and has coke-making facilities in the United States and Brazil. In addition, the company provides coal handling and mixing services at its coal logistics terminals in the Ohio River Valley and Gulf Coast regions, which service the ports in the Gulf Coast, East Coast and Great Lakes. The company's operating segments include Domestic Coke, Brazil Coke, India Coke, and Coal Logistics.