Capitol Building Supply

Capitol Building Supply, Inc., a GMS Company, is your local supplier of high quality construction and building materials

Steven Kempf Building Material, a GMS Company, is your local supplier of high quality construction and building materials

White Cap is a one-stop-shop providing concrete accessories and chemicals, tools and equipment, building materials and fasteners, erosion and waterproofing and safety products to professional contractors. From hard-to-find products to technical expertise to jobsite training, White Cap supports professional contractors in non-residential, infrastructure and residential end markets with everything they need to keep their projects moving on time, on budget, and as safely as possible.