http://www.xbox.com/en-US/xbox360/partners.htm
Betrayaloton! :lol
2K Games
Activision, Inc.
Atari®
Bandai Co. Ltd.
Bethesda Softworks
Buena Vista Games
Capcom
Codemasters
Eidos
Electronic Arts FromSoftware Inc.
KOEI
Konami Digital Entertainment
Majesco Games
Microsoft Game Studios
Midway Games, Inc.
Namco Hometek Inc.
Phantagram Ltd.
Rockstar Games
SEGA®
Square/Enix
Tecmo®
THQ®
Ubisoft
Vivendi Universal Games
Webzen
Betrayaloton! :lol