Founded in 1922 and headquartered in Watsonville, Granite Construction operates within the US construction industry, specializing in infrastructure and construction management. As one of the largest full-service general contractors and construction materials producers, the company offers a wide range of services to enhance the movement of goods and people, as well as improve living and working environments. Granite Construction is known for its portfolio of brands, including Garco Testing Laboratories and Layne, and is committed to integrity and quality in its near-century of operation.