Since its founding as a single sales office serving the manufactured housing industry, Universal Forest Products has become a leading supplier to several major markets. The company manufactures and engineers structural lumber products for the manufactured housing industry. A multi-billion-dollar corporation, Universal is one of the United States largest producers of pressure-treated wood and one of North America s largest manufacturers of engineered roof systems for manufactured housing and site-built construction. The company is a leading buyer of solid-sawn lumber and among the largest customers of North America s largest mills. This translates into a large amount of purchasing power, which is just one of the many benefits Universal customers enjoy. Headquartered in Grand Rapids, Mich., Universal Forest Products was established in 1955.