Wisconsin Building Supply operates 13 locations throughout Wisconsin supplying windows, doors, roofing, siding, millwork, lock hardware, columns, trim, mouldings, cabinetry, countertops, decking & railing, gypsum, lumber & plywood, insulation, and other building materials. In addition, WBS operates a door plant, truss & component center, and offers kitchen design services. We are proud to supply quality products and services to Wisconsin's Remodeler Contractors, Custom Home Builders, Commercial Builders and Homeowners.