Consolidated Builders Supply, also known as CBS, is one of the largest door, window and skylight distributors in Oklahoma. Established in 1984, the company manages a staff of more than 50 employees. It maintains an over 55,000-square-foot warehouse and nearly 3,500-square-foot showroom. Consolidated Builders Supply operates a service department that has a fleet of vans and offers installation services. It provides products from various manufacturers, such as Marvin Windows and Doors, GEA Doors, ODL, American Skylites and Alenco. Consolidated Builders Supply also offers a line of ornamental iron products.