Acclaim Entertainment
Activision
Arc System Works
Art Co., Ltd
Artech Studios Ltd.
Artoon Co.
Asylum Entertainment
ATARI EUROPE S.A.S.U.
Atari, Inc.
Atlus
Avalanche Software
Barking Lizards
BBC Multimedia
Beep Industries
Bethesda Game Studios
Big Ape Productions
Bioware
Blueside
Bugbear Entertainment
Capcom
Codemasters
Collective
Computer Artworks Ltd.
Crave Entertainment, Inc.
Crystal Dynamics
Digital Illusions CE
DreamCatcher Interactive Inc
Eidos
Electronic Arts
Empire Interactive
Empire Interactive Entertainment
Epic Games
Eurocom
From Software
Game Arts
Gathering
GenePool Software
Genki Co., Ltd.
Genuine Games
Global Star Software Inc.
Gray Matter Interactive Studios
Groove Games
Hot House.
Iguana Entertainment
Infogrames
Interplay Entertainment Corp.
IO Interactive
Jaleco
JoWooD Productions
Just Add Monsters
Just Add Water
Kama Digital
KOEI Co
Konami
Lionhead Studios
LTI Gray Matter
LucasArts
Majesco Entertainment Company
MC2 France
Mercury Steam Entertainment S.L.
Micro Application, S.A.
Microids
Microïds
Microsoft Corporation
Microsoft Studios
Midway Studios
Mindware Studios
Namco
Oddworld Inhabitants
Omega Force
Paradigm Entertainment Inc.
Phantagram
Playlogic International N.V.
Power and Magic Development
Pyro Studios S.L.
Quantic Dream
Radical Entertainment
Rare
Raven Software
Rebellion Developments
Revolution Software
RFX Interactive
Rockstar Games
Ronin Entertainment
SCi Games
Sega
Sierra Studios
Smilebit
SNK
Starbreeze Studios
Stormfront Studios
Success Corp.
Swing! Entertainment Media AG
TDK Mediactive Inc
Team Ninja
Tecmo
THQ Inc.
THQ Nordic GmbH
Titus Software Corporation
ToeJam & Earl Productions, Inc.,
Ubisoft
Unique Development Studios
Valve
Vicious Cycle Software
Victor
Vivendi Games, Inc.
Vivendi Universal Games
Volition, Inc.
Warthog Games
Xicat Interactive
Zed Two Game Design Studio
ZOO Digital Publishing