Manufactures wooden ladders; manufactures extruded aluminum products; wholesales hardware Scaffolding, Ladders, Step stool, Construction and maintenance support equipment, Ladders and scaffolding accessories, Ladders and scaffolding, Non ferrous alloy, Ferrous alloy, Iron, Lead, Tin, Indium, Palladium, Zinc, Slag or ash, Natural graphite, Steel, Aluminum, Nickel