All of our step ladders are made of southern yellow pine, a fast-growing, well-managed American product that will continue to provide strength and durability to our products for years to come. Favorable growing conditions, wise forest management, and efficient manufacturing ensure a continuous supply of high-quality southern yellow pine products for future generations. Southern yellow pine consists of four main species shortleaf, longleaf, loblolly, and slash and is the preferred choice for todays designbuild professionals.