Founded in 1975, W. L. Butler Construction is one of the leading general contractors in the state of California that specializes in biotech, tenant improvement, commercial and industrial buildings, and automotive and retail projects. It is a full-service company that offers a range of services that includes evaluation, design building, preconstruction, construction, value engineering and safety. W. L. Butler Construction undertakes automotive projects for Mission Motorsports, Ferrari-Maserati, and Carlsen Porsche and Volvo. Its biotech projects include north coast medical, origin medsystems and abbott labs. It undertakes various projects for nonprofit organizations, including open space trusts, community museums, fire stations, aquatic centers, and boys and girls clubs. W. L. Butler Construction maintains one of its locations in Redwood City, Calif.