----- Gerdau Sites -------------------- Gerdau Group ----- Brazil ----------------------------- Gerdau Gerdau Açominas Gerdau Specialty Steel Banco Gerdau Comercial Gerdau ----- Argentina ------------------------- Sipar Gerdau ---- Canada and United States ------- Gerdau Ameristeel ----- Chile ----------------------------- Gerdau AZA ----- Colombia ------------------------ Diaco ---- Peru ------------------------------- Siderperu ---- Spain ------------------------------ Sidenor ---- Uruguay --------------------------- Gerdau Laisa ---- Others ----------------------------- Business Website – Customers Business Website – Suppliers