Granite Construction Inc engages in the construction and development of various infrastructure projects on behalf of public and private clients in the United States. The company focuses on heavy civil infrastructure projects, including roads, highways, transit facilities, airports, bridges, dams, tunnels, and other infrastructure projects. In addition, the company performs site preparation and infrastructure services for residential development, energy development, and other facilities. The majority of revenue is derived from the company's Construction operating segment, and rest from Materials segment.