Building materials store in Ripon, Wisconsin. Schmitt Lumber, in Ripon, Wisconsin, is the area's leading building material company serving Ripon, Green Lake and surrounding areas since 1990. We offer lumber retail, installation, dry wall and more. We also offer free local delivery. For all your building material needs, contact Schmitt Lumber in Ripon. Established in 1990. Schmitt Lumber is proud to serve our local area which includes Ripon, WI, Green Lake, WI, and 25 Mile Radius.