Diamond Comic Distributors, Inc. (often called Diamond Comics, DCD, or casually Diamond) is an American comic book distributor serving retailers in North America and worldwide. They transport comic books and graphic novels from both big and small comic book publishers, or suppliers, to retailers, as well as other popular culture products such as toys, games, and apparel. Diamond distributes to the direct market in the United States, and has an exclusive distribution arrangements with most major U.S. comic book publishers, including Dark Horse Comics, DC Comics (until June 2020), IDW Publishing, Image Comics, Marvel Comics, and more.