Diamond Entertainment Corporation

Former names

 * ATI Mark V Products (1985-1991)

List of Customers

 * Diamond Entertainment Corporation
 * Trans-Atlantic Video (1985-1991)
 * Viking Video Classics (1985-1987)

How to Tell

 * Tapes duplicated by ATI Mark V Products prior to the early-1990s would have a white printing on the bottom middle side as well as a record tab intact.
 * Several post-early 1990s tapes have the static roll of death at the end.