Hy-Ko Products is a supplier of numbers, letters and signs, key accessories and keys to the retail marketplace, including the cooperative buying organizations, home centers and mass merchants. The company has the licensing rights to use the logos of the major car manufacturers as well as the Looney Tunes and Scooby Doo comic characters. It provides numbers, letters and signs products, including decorative and identification numbers and letters, residential and commercial signs, traffic and safety products, special occasion signs, and safety markers and reflectors. It offers key accessories, such as key caps, coils and tags, key chains and rings, and key clips and reels. Established in 1949, Hy-Ko Products is located in Northfield, Ohio.