Custom Window Systems, located in Ocala, Fla., offers a line of standard and custom made windows and window products. CWS produces a range of products, including single hung windows, horizontal roller windows, sliding glass doors, fixed windows, accessories, horizontal vinyl film windows, verticle vinyl film windows, acrylic windows, prime doors, garage screen enclosures and rough openings. Itd products are designed for both new construction and existing homes. CWS broke ground on a new manufacturing facility in Ocala, in April of 2005. Founded in 1986, the company's products carry up to a ten year limited warranty and the company has been recognized by the Department of Energy for the Energy Star rating.