A.D. Vision (commonly referre to as ADV) is an American international multimedia entertainment company based in Houston, Texas, active in home video production and distribution, broadcast television, theatrical film distribution, merchandising, original productions, magazine and comic book publishing. It is the largest anime company in North America. It was founded in 1992 by John Ledford and Matt Greenfield. Since then, the company has grown immensely in size and diversified with several subsidiary companies, handling an array of properties and original content. Perhaps their most popular property is Gainax's post-apocalyptic anime series Neon Genesis Evangelion, originally released by ADV in the U.S. in 1997 and re-released several times since. The company maintains offices in North America, Europe and Asia.