Crown Heritage     Crown Heritage produces thousands of stair components in wood species that the market demands. Stair parts are offered in the warm, rich hues of cherry, oak, maple, poplar, beech and hemlock for a broader product offering than any other company in the industry.     http://www.CrownHeritage.com/           Woodmark International     Wood and iron stair parts. Great selection, good quality, great pricing. Check out their Design System to help you layout for your particular application.     http://www.woodmarkinternational.com/index2.htm