Gerdau S.A., together with its subsidiaries, operates as a steel producer company. It operates through Brazil Business, North America Business, and South America Business segments. The company offers rebars, bars, wires, thick plates, hot rolled coils, billets, blooms, plates, wire rods, and structural profiles. It also provides special steel products for agricultural, automotive, construction, distribution, energy, industrial, and mining markets. In addition, it operates mines that produce iron ore located in Brazil. The company was founded in 1901 and is headquartered in São Paulo, Brazil.