1901 - Gerdau launches operations in Brazil

1956 - Florida Steel Corporation established

1960 - Florida Steel opens steel mill in Tampa, FL

1961 - Output expands with the opening of a steel mill in Charlotte, NC

1976 - Florida Steel opens steel mill in Jacksonville, FL

1981 - Steel production begins at the mill in Jackson, TN

1987 - Florida Steel acquires mill in Knoxville, TN

1989 - Gerdau enters North American market with the acquisition of the Courtice Steel Mill in Cambridge, Ontario

1996 - Florida Steel changes name to Ameristeel

1999 - Gerdau acquires Ameristeel, the second-largest rebar producer in the US, with four mills in Florida, North Carolina and Tennessee

2001– Ameristeel acquires the Birmingham Southeast Mill in Cartersville, GA, which becomes its fifth US mill

2002 – Ameristeel and Co-Steel complete the merger of their North American steelmaking operations, creating the Gerdau Ameristeel Corporation

2004 - Gerdau Ameristeel acquires four steel mills from North Star

2006 - Gerdau Ameristeel acquires Pacific Coast Steel, Sheffield Steel and Fargo Iron and Metal

2007 - Gerdau Ameristeel launches a strong expansion drive with the acquisition of Chaparral Steel, a large producer of structural and rebar steel in North America. It also acquires Enco Materials, Re-Bars Inc, Valley Placers, and D&R;

2008 - Expansion continues with the acquisition of Century Steel, Metro Recycling and Sand Springs Metal Processing

2010 – Gerdau S.A. acquires all of the issued and outstanding common shares of Gerdau Ameristeel not already owned. It also announces that its wholly-owned subsidiary, Gerdau Ameristeel, acquires TAMCO, one of the largest rebar mills in the Western U.S.

2011 – Gerdau S.A. celebrates 110 years in business by launching a new brand and logo across the globe, changing Gerdau Ameristeel's name to Gerdau.