McLaren-Simpson, 225 Platte Way, Placentia, CA 92870, US

Owens Corning produces insulated, roofing, manufactured stone veneer and asphalt products for residential and commercial markets. Its glass fiber materials are used in more than 40,000 applications, including automobiles, computers, telecommunication cables, pipes, boats, electronic appliances, snow skis and aircraft. The company offers a range of commercial and residential products, such as foam residing boards, sill plate gaskets, fiber glass insulation and house wraps. It also features shingles, ventilation, basement and room fishing systems, flashing and construction tapes, insulating panels, cultured stones and roofing products. Established in 1938, Owens Corning has operations in more than 30 countries and maintains a location in Compton, Calif.