Gerdau Special Steel North America (GSN) produces high quality engineered carbon and alloy SBQ steel bars for safety critical applications used by the automotive, commercial vehicle, construction, agricultural, distribution and energy markets. With three special steel producing mills and a heat treating facility strategically located throughout the United States, Gerdau is capable of providing solutions for the most demanding applications. GSN is a division of Gerdau, which is the leading producer of long steel in the Americas and one of the leading producers of special steel in the world.