
Boom! Studios is an American comic book and graphic novel publisher, headquartered in Los Angeles, California, United States.

Dell Comics was the comic book publishing arm of Dell Publishing, which got its start in pulp magazines. It published comics from 1929 to 1974. At its peak, it was the most prominent and successful American company in the medium. In 1953 Dell claimed to be the world's largest comics publisher, selling 26 million copies each month.

Fantagraphics is an American publisher of alternative comics, classic comic strip anthologies, magazines, graphic novels, and the erotic Eros Comix imprint. Many notable cartoonists have published their work through Fantagraphics, including Jessica Abel, Peter Bagge, Ivan Brunetti, Charles Burns, Daniel Clowes, Mary Fleener, Roberta Gregory, Joe Sacco, Chris Ware, and the Hernandez brothers.

Gemstone Publishing is an American company that publishes comic book price guides. The company was formed by Diamond Comic Distributors President and Chief Executive Officer Steve Geppi in 1994 when he bought Overstreet.

Gladstone Publishing was an American company that published Disney comics from 1986 to 1990 and from 1993 to 1998. The company had its origins as a subsidiary of Another Rainbow Publishing, a company formed by Bruce Hamilton and Russ Cochran to publish the Carl Barks Library and produce limited edition lithographs of Carl Barks oil paintings of the Disney ducks. The name references Gladstone Gander.

Gold Key Comics was an imprint of American company Western Publishing, created for comic books distributed to newsstands. Also known as Whitman Comics, Gold Key operated from 1962 to 1984.

IDW Publishing is an American publisher of comic books, graphic novels, art books, and comic strip collections. It was founded in 1999 as the publishing division of Idea and Design Works, LLC (IDW), itself formed in 1999, and is regularly recognized as the fifth-largest comic book publisher in the United States, behind Marvel, DC, Dark Horse and Image Comics, ahead of other major comic book publishers such as Archie, Boom!, Dynamite, Valiant and Oni Press. The company is perhaps best known for its licensed comic book adaptations of movies, television shows, video games, and cartoons.

Western Publishing, also known as Western Printing and Lithographing Company, was a Racine, Wisconsin, firm responsible for publishing the Little Golden Books. Its Golden Books Family Entertainment division also produced children's books and family-related entertainment products. The company had editorial offices in New York City and Los Angeles, California. Western Publishing became Golden Books Family Entertainment from 1996 to 2008. As of 2013, Little Golden Books remains as an imprint of Penguin Random House.