text: It owns two primary lead smelters (only one is active as of 2013, and that one will close on December 31, 2013), five mills (four of which are active), several mines, the world's largest secondary lead smelter, all in southeast Missouri, United States, a polymetallic smelter at La Oroya and copper mine at Cobriza, both in Peru, and lead fabricating facilities in Arizona and Washington.