Founded in 1873, Gilbane Building Co. is one of the nation’s oldest privately held construction firms. The company is headquartered in Providence, Rhode Island. The Milwaukee office is a branch of the Midwest office, located in Chicago. The company was a partner in the construction of the Potawatomi Hotel and Northwestern Mutual Tower and Commons. It is part of the contracting team selected to build the Foxconn campus in southern Racine County. Back to the full article.