2K Games
505 GameStreet
Activision
ATARI EUROPE S.A.S.U.
Atari, Inc.
Atlus
Bandai Games
BANDAI NAMCO Games
Bethesda Game Studios
Buena Vista Games, Inc.
Capcom
Codemasters
Crystal Dynamics
D3Publisher
Disney Interactive Studios, Inc.
Eidos
Electronic Arts
Empire Interactive Entertainment
From Software
HexaDrive
International Games System Co., Ltd.
K2 LLC
KOEI Co
KOEI Corporation
Konami
LucasArts
Majesco Entertainment Company
Marvelous Interactive, Inc.
Media.Vision Entertainment
Namco
Nihon Falcom Corp.
NIS America, Inc.
Oxygen Interactive Software Ltd.
Paradigm Entertainment Inc.
Python (Monty) Pictures
Ready at Dawn Studios
Rebellion Developments
Revistronic
Rockstar Games
SCE Cambridge
SCEE London Studio
Sega
Sierra Studios
Slitherine Software
SNK
Sony Interactive Entertainment
Square Enix
Sumo Digital
Taito
Team17
THQ Inc.
Tt Games Publishing
Ubisoft
UFO Interactive Games, Inc.
Vicious Cycle Software
Vivendi Games, Inc.
Warner Bros. Interactive Entertainment