Gerdau S.A. engages in the production and commercialization of steel products worldwide. The company offers crude steel products, which include billets that are used to manufacture wire rods, rebars, and merchant bars; blooms for use in the manufacture of springs, forged parts, heavy structural shapes, and seamless tubes; and slabs, which are used in the steel industry for the rolling of various flat rolled products, as well as used to produce hot and cold rolled coils, heavy slabs, and profiles. Its long rolled products include rebars, merchant bars, and profiles, which are primarily used in the construction and manufacturing industries; and drawn products comprise barbed and barbless fence wires, galvanized wires, fences, concrete reinforcing wire mesh, nails, and clamps for manufacturing, construction, and agricultural industries. The company also offers special and stainless steel products used in tools and machinery, chains, fasteners, railroad spikes, and special coil steel, as well as special sections, such as grader blades, smelter bars, light rails, super light I-beams, elevator guide rails, and other products. In addition, it provides flat products, such as hot and cold steel coils, heavy plates, and profiles; and resells flat steel products manufactured by other Brazilian steel producers. The company was founded in 1901 and is based in Porto Alegre, Brazil. Gerdau S.A. is a subsidiary of Metalúrgica Gerdau S.A.