Structural Materials Co. has been providing quality-roofing materials to the Southern California market since 1948. Originally located in Montebello, the company moved to a larger yard in Commerce in 1996. To better serve the needs of the growing customer base it also opened yards in San Bernardino, Sun Valley and San Marcos. These locations allow it to efficiently service the Los Angeles, Orange, San Bernardino, Riverside, San Diego, Ventura and Santa Barbara counties of California as well as the Las Vegas market. The company carries a full line of roofing materials and each location also features a complete Tool Store with an extensive array of roofing tools, equipment and accessories.