Teck Resources Limited researches, explores for, develops, and produces natural resources in the Asia Pacific, the Americas, and Europe. It operates through Steelmaking Coal, Copper, Zinc, and Energy segments. The company's principal products include steelmaking coal; copper concentrates and refined copper cathodes; refined zinc and zinc concentrates; energy products, such as bitumen; and lead and molybdenum concentrates. It also produces gold, silver, germanium, indium, mercury, and cadmium, as well as chemicals, industrial products, and fertilizers. In addition, the company holds interest in Frontier oil sands projects in the Athabasca region of northeastern Alberta; and owns interest in exploration and development projects in Australia, Chile, Ireland, Mexico, Peru, Turkey, and the United States. The company was formerly known as Teck Cominco Limited and changed its name to Teck Resources Limited in April 2009. Teck Resources Limited is based in Vancouver, Canada.