Gerdau S.A., together with its subsidiaries, operates as a steel producer company.

It operates through Brazil Business, North America Business, South America Business, and Special Steel Business divisions.

The company provides semi-finished products, including billets, blooms, and slabs; common long rolled products, such as rebars, wire rods, merchant bars, light shapes, and profiles to the construction and manufacturing industries; drawn products comprising barbed and barbless fence wires, galvanized wires, fences, concrete reinforcing wire mesh, nails, and clamps for manufacturing, construction, and agricultural industries; and special steel products used in auto parts, light and heavy vehicles, and agricultural machinery, as well as in the oil and gas, wind energy, machinery and equipment, mining and rail, and other markets.

It also offers flat products, such as hot-rolled steel coils and heavy plates; and resells flat steel products.

In addition, the company operates three mines that produce iron ore located in the Brazilian state of Minas Gerais.

It sells its products through independent distributors, direct sales from the mills, and its retail network.

The company was founded in 1901 and is based in São Paulo, Brazil.