Steel Dynamics, Inc. (SDI) is a steel producing and a metal recycling company. The company operates through three segments: steel operations, metals recycling and ferrous resources operations, and steel fabrication operations. The Company�s Steel operations consist of five electric arc furnace mini-mills, producing steel from steel scrap, utilizing continuous casting, automated rolling mills, and various downstream finishing facilities. The metals recycling and ferrous resources operations segment includes the Company�s metals recycling operations, liquid pig iron production facility, and Minnesota iron operations. The metals recycling operations represent its metals sourcing and processing operations. Steel fabrication operations include the company�s six New Millennium Building Systems joist and deck plants located throughout the United States and Northern Mexico. The plants are involved in the fabrication of trusses, girders, steel joists and steel decking.