VIZ Media LLC. is an American manga publisher, anime distributor and entertainment company headquartered in San Francisco, California. It was founded in 1986 as VIZ LLC. In 2005, VIZ LLC and ShoPro Entertainment merged to form the current VIZ Media LLC, which is owned by Japanese publishing conglomerates Shueisha and Shogakukan, as well as Japanese production company Shogakukan-Shueisha Productions (ShoPro). In 2017, Viz Media was the largest publisher of graphic novels in the United States, with a 23% share of the market.