Gilbane Building Company is an American privately held construction and facility management company, with its headquarters in Providence, Rhode Island and more than 45 office locations in the US and abroad. It was founded as a family business in 1870 and officially incorporated in 1908, Gilbane has active participation from the fourth, fifth, and sixth generations of the Gilbane family. Gilbane Building Company and Gilbane Development Company are the primary entities under Gilbane, Inc.