|Companhia Siderurgica Nacional (CSN) is an integrated steel producer in Brazil and Latin America. The Company focuses on mining, steel production, logistics, cement and energy. In its mining operations, CSN extracts iron ore, dolomite and limestone from its mines, in addition to producing tin. The steel manufacturing facilities produce a range of steel products, including several types of corrosion-resistant galvanized steel products, tin plates, flat steel and long steel. CSN operates two terminals at the Port of Sepetiba and holds stakes in two railroad companies, MRS Logistica and Transnordestina. The Company entered the cement market in 2009 and expects to reach full production capacity in 2012. Since 1998, CSN has been investing in energy generation projects to guarantee its self-sufficiency and, as of December 31, 2010, the Company had assets with 428 Megawatts (MW) of installed capacity. CSN has several subsidiaries, including CSN Minerals, Sepetiba Tecon and Inal Nordeste.