Doe Run Resources Corporation (registered to do business as the Doe Run Company) is the largest integrated lead producer in North America and the largest primary lead producer in the western world. 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. It is wholly owned by the Renco Group which is in turn wholly owned by family trusts established by the company's Chairman and CEO, Ira Rennert. Total primary production in 2005 was 376,200 metric tons of lead, eq