TW Perry is a leading building materials dealer serving primarily Maryland, Virginia and the District of Columbia. We offer a range of products including engineered and treated lumber, doors and windows, decking products, hardware, paint and power tools. In addition, our Classic Moulding and Door division specializes in supplying finely crafted doors and millwork products, used in some of the most exclusive residential projects in the region. Visit one of our 6 convenient locations in, Springfield, VA, Chevy Chase, MD, Gaithersburg, MD, Baltimore, MD, Annapolis, MD, and Leesburg, VA. Builders, Architects, Homeowners & Contractors welcome!!