(written from a Production point of view)
Founded in 1990 in Middleton, Wisconsin, Raven Software has been responsible for such games as Black Crypt, ShadowCaster, and Heretic.
In 1997, Raven merged with Activision in an effort to combine publishing and distribution resources with development expertise. Together they have created such games as Soldier of Fortune, Jedi Knight II: Jedi Outcast, and Quake 4. Their most recent release was Singularity.