L&W Supply Corporation, based in Chicago, is one of the largest distributors of gypsum wallboards and building materials in the United States. The company operates in more than 35 states and offers a broad product line. It offers services in various areas, such as joint treatment and texture, wallboard, metal framing, ceiling panels, insulation, roofing and fasteners. L&W Supply Corporation is also one of the largest specialty distributors of products in the industry and offers more than 40,000 items throughout its nationwide store network. Additionally, it operates a distribution network of over 220 centers located across the country. The company also offers stock and scatter services, credit options and technical advice for specific systems.