Grupo Simec SAB de CV is a diversified manufacturer, processor and distributor of special bar quality, or SBQ, steel and structural steel products. North America and Mexico are the two biggest markets for the company, jointly accounting for the majority of the company's sales. The company's SBQ products are used across a broad range of highly engineered end-user applications, including axles, hubs and crankshafts for automobiles and light trucks, machine tools and off-highway equipment. The company's structural steel products are mainly used in the nonresidential construction market and other construction applications.