The United States Playing Card Co. is the world's larges manufacturer of playing cards, holding many recognizeable brands of playing cards in both America and Europe. Formerly located in Cincinnatti, the firm relocated to Erlanger, Kentucky in 2009. While in Ohio, the firm operated a Playing Card Museum, highlighting an historic collection of playing cards, from 1984 until it changed locations. During this time the museum sponsored exhibits and programs highlighting the history of playing cards and playing card brands. It also produced several posters showing historic card examples.