Minera Autlán is a mining company that produces and markets manganese minerals and ferroalloys. The company operates through four business units: Manganese, Metallorum, Energy, and Electrolytic Manganese Dioxide (EMD). The Manganese division specializes in the production of manganese nodules. The Metallorum unit produces gold with byproducts of silver and copper. The Energy business operates a hydroelectric plant that generates renewable energy. The EMD unit focuses on the production of electrolytic manganese dioxide that is used for the manufacture of alkaline batteries.