Gilbane, Inc. is a construction and real estate development company headquartered in Providence, Rhode Island. The company was founded in 1873 and has grown to become one of the largest privately held family-owned construction and real estate development firms in the industry. Gilbane has over 3,000 employees and operates in 46 states and 15 countries. The company has worked on projects in a variety of industries, including healthcare, education, hospitality, and government.