Gerdau S.A. is a multinational steel producer and the largest producer of long steel in the Americas, and the largest supplier to the automotive industry. The company was founded in 1901, and now operates through the business segments Brazil Business Operation, North America Business Operation, South America Business Operation and Special Steel Business Operation. Gerdau S.A. employs around 45,000 workers in 14 countries around the world and is headquartered in Porto Alegre, Brazil.