C.R. Laurence (CRL) is the leading supplier of products to the glass and glazing industry. CRL designs, engineers, and manufactures a wide range of architectural hardware, including commercial and residential architectural railings, hardware for "all-glass" commercial entrances, transaction hardware, and frameless shower door hardware. CRL's U.S. Aluminum Division manufactures and supplies a complete range of products for commercial, institutional, retail, and government buildings. The extensive product range includes storefronts, entrance doors, windows, window walls, curtain walls, and sun control systems. We also manufacture a selection of quality windows for trucks and vans.