Diamond Comic Distributors, Inc. (often called Diamond Comics, DCD, or casually Diamond) is the largest comic book distributor serving North America. They transport comic books from both big and small comic book publishers, or suppliers, to the retailers. Diamond dominates the direct market in the United States, and has exclusive arrangements with most major U.S. comics publishers, including Dark Horse Comics, DC Comics, IDW Publishing, , Marvel Comics, and Radical Comics. - Source: Wikipedia
