Builders FirstSource, Inc. is a provider of building materials for professional builders in new residential construction and repair and remodeling. The Company delivers integrated home-building solutions by manufacturing, supplying, and installing a range of structural and related building products. Its manufacturing facilities produce factory-built roof and floor trusses, wall panels, vinyl windows, custom millwork and trim, manufactured and semi-custom modular homes. It also assembles interior and exterior doors into pre-hung units for easy installation. Additionally, it distributes a range of building products, including lumber, sheet goods, windows, doors, millwork, and specialty items. It serves markets such as professional installation, turnkey framing, and shell construction. It also serves and supplies regional production and local custom homebuilders as well as repair and remodeling contractors and multifamily builders.