Gerdau Special Steel North America is the world’s largest supplier of Special Bar Quality (SBQ) engineered steel bars. Gerdau provides for the civil construction, industrial and agriculture sectors.Gerdau has plants in both Monroe and Jackson Counties, both of which are located in The Greater Ann Arbor Region (GAAR) .The GAAR leverages its combined assets and develops more effective means of engaging with targeted audiences.

In 2010, Gerdau announced a $67 million capital investment for the production mill in Monroe, Michigan. The large capital investment also indirectly benefitted the 250 employee Jackson County plant. The Monroe investment allowed the plant to improve reliability and quality, and increase its installed capacity by 225,000 short tons through 2013.