Founded in 1886, GAF is the largest roofing manufacturer in North America. The Company is an operating subsidiary of Standard Industries. GAF products include a comprehensive portfolio of roofing systems for residential and commercial properties, which are supported by an extensive national network of factory-certified contractors.
Humboldt Sawmill is the leading supplier of Forest Stewardship Council® (FSC® C013133) certified redwood and Douglas-fir lumber products. Products manufactured at company-owned mills include redwood decking, timbers, and uppers, as well as Douglas-fir joists and planks, posts, and beams.
Kingspan Insulation is a division of construction materials giant Kingspan Group. Kingspan insulation manufactures optimum, premium and high performance rigid, fiber-free insulation and building wrap products and insulated systems for building fabric and building services applications.
Rmax - A Division of the Sika Corporation has been an innovator in building insulation solutions for 35 years. Our comprehensive line of high-quality, POLYISO-based products continues to deliver maximum R-values, minimum environmental impact, and efficiency in installation, cost, and design.
Uniboard® is a leading North American manufacturer of engineered wood products, having an installed capacity of over 660 million square feet of raw particleboard, high and medium-density fiberboard, of which over 50% is converted into value-added thermally fused laminates.
Western Forest Products is a leading forest products company that manufactures high-quality wood products and sustainably manages forests. As the leading supplier of specialty wood products, Western Forest Products has long recognized the aesthetic, performance, environmental, and economic benefits of wood.
Headquartered in Vancouver, Washington, the Western Wood Preservers Institute (WWPI) is a nonprofit member trade organization representing the interests of the preserved wood products industry throughout western North America for nearly 75 years.
