Metalurgica Gerdau. 

Metalurgica Gerdau S.A., together with its subsidiaries, produces and supplies long and special steel products in Brazil and internationally. The company offers continuous thread, heat treated, hot rolled engineered, and quench and tempered bars, as well as grinding rods, pitch diameter rounds, round cornered and spring flats, SBQ flats, and SBQ round cornered and SBQ squares; merchant bar, including bar and MC channels, equal and unequal leg angles, flats, hand rail bars, pencil rods, rail spikes, rounds, squares, and structural channels; and guard rail, miscellaneous, standard I, super light, and wide flange beams. It also provides dowel bars and straight rebars; H-pile, PS flat sheet piling, and PZC sheet piling; billets; and range of value-added products, which include bright cold finished turned or cold drawn bars, heat treated bars, straightened, surface, and internally inspected bars. In addition, the company engages in the scrap metal recycling business. It serves agriculture, energy, industrial, automotive, and manufacturing markets. The company was formerly known as METALÚRGICA HUGO GERDAU S.A and changed its name to Metalurgica Gerdau S.A. in June 1965. Metalurgica Gerdau S.A. was founded in 1901 and is headquartered in São Paulo, Brazil.