Located in Vallejo, Calif., Syar Industries Inc. was established in 1938. It is one of the leading producers and suppliers of high quality aggregate rock products and asphaltic paving materials in northern California. Syar Industries Inc. serves the construction industry and operates with nine asphalt paving material plants, four recycling facilities, and ten ready mix concrete batch plants. The company has over 11,000 acres of property. Syar Industries Inc. has developed The Leisure Town retirement and golf community. It also owns and operates Green Tree Golf Club, which is a public 27-hole course and driving range.