About Granite Construction

Granite is one of the largest full-service general contractors, construction management firms, and construction materials producers in the U.S. Deeply embedded in our nearly 100-year history is a culture of hard work, honesty, and getting the job done right. The company's brands are Garco Testing Laboratories, Granite Construction Supply & Sign Shop, Granite Industrial, Inc., Granite Power, Intermountain Slurry Seal, and Layne, A Granite Company.