2K Games
3DO Company
49Games
49Games GmbH
505 GameStreet
Acclaim Entertainment
Acquire
Activision
Activision Publishing, Inc.
American Game Factory
Appaloosa Interactive Corporation
Aqua Pacific Ltd.
Aqua System
Arc System Works
Argonaut Software
Artificial Mind and Movement
Artoon Co.
Astroll
Asylum Entertainment
ATARI EUROPE S.A.S.U.
Atari, Inc.
Atelier Double Co.
Atlus
Atomic Planet Entertainment
Avalanche Software
Avalanche Studios AB
Babylon Software
BAM! Entertainment, Inc.
Bandai America, Inc.
Bandai Games
BANDAI NAMCO Games
Banpresto Co Ltd
Barking Lizards
Bestmedia
Bethesda Game Studios
Big Ape Productions
Bigben Interactive
Bit Town Inc.
Bits Studios
Blue Tongue Entertainment
Blue52 Games Limited
Brain in a Jar Ltd.
Brash Entretainment
Bungie
Capcom
Cauldron
cavia inc.
Check Six Studios
Codemasters
Coldwood interactivo AB
Collective
Collision Studios
Computer Artworks Ltd.
Core Design
Coyote Developments Ltd
Creat Studios, Inc.
Cryo Interactive Entertainment
Crystal Dynamics
CyberConnect2
Cyberlore Studios
D3Publisher
Darkworks
Data Design Interactive
Davilex Games B.V.
Digital Integration Ltd.
Dimps Corporation
Disney Interactive Studios, Inc.
Double Fine Productions
DreamCatcher Interactive Inc
Dtp Entretainment
Ecole Software
Eden Games
Edge of Reality
Eidos
EKO Software
Electronic Arts
Empire Interactive
Empire Interactive Entertainment
Encore, Inc
Enix Corporation
Ensemble Studios Corporation
Eurocom
Evolved Games
Extra Mile Studios Ltd
Free Radical Design Ltd.
From Software
Game Arts
Game Factory ApS
Game Republic
Gathering
Gearbox Software
Genki Co., Ltd.
Genuine Games
Ghostlight
Gray Matter Interactive Studios
Grupo Mastertronic Ltd.
Gust Co., Ltd.
Harmonix Music Systems
High Impact Games
High Voltage Software, Inc.
Hot House.
Hudson Soft Company
Human Head Studios, Inc.
HuneX Co.
Hydravision Entertainment
HyperDevbox Japan
Icon Games Entertainment Ltd.
Ignition Entertainment
Iguana Entertainment
Illusion Softworks
Indie Games Productions
Infogrames
Insomniac Games
Interplay Entertainment Corp.
inXile Entertainment
IO Interactive
Irem Software Engineering
ITE Media ApS
Ivolgamus UAB
Jaleco
Jester Interactive Publishing
JoWooD Productions
K2 LLC
Kadokawa Shoten Publishing Co. Ltd
Kalisto Entertainment
Kando Games SARL
KOEI Co
Konami
Kotobuki System Co Ltd
Krea Medie A/S
Krome Studios Pty Ltd.
Level-5
Liquid Games
LucasArts
Lucky Chicken Games
Mad Monkey Studio
Magenta Software Ltd
Marvelous Interactive, Inc.
Masaya
MC2 France
Metro3D Europe Ltd
Microids
Microïds
Microsoft Studios
Midas Interactive Entertainment Ltd.
Midway Studios
Monkey Bar Games
Monolith Productions
Montecristo Multimedia
Namco
Naughty Dog
Neko Entertainment
Neko Entertainment SARL
NEON Software GmbH
Nippon Ichi Software
NIS America, Inc.
NovaLogic
Now Production
Omega Force
Opus Studio
Oxygen Interactive Software Ltd.
Pacific Century CyberWorks
Pandemic Studios
Paon Corporation
Papaya Studio
Paradigm Entertainment Inc.
Phoenix Games
Pitbull Syndicate
Play It
Playstos S.r.l.
Point of View
Power and Magic Development
Psikyo
Punchline Co
Pyro Studios S.L.
Quantic Dream
Racjin Co., Ltd.
Radical Entertainment
Rage Games
Raven Software
Realtime Associates
Rebellion Developments
Red Storm Entertainment
Relentless Software
Remedy
Revistronic
RFX Interactive
Rockstar Games
RTL Enterprises GmbH
Saffire
Sandlot
SCE Cambridge
SCE Santa Monica Studio
SCE Studios San Diego
SCEE London Studio
SCi Games
Sega
Sensory Sweep Studios
Shiny Entertainment
Sidhe Interactive
Sierra Studios
Silmarils
Slitherine Software
SNK
Softmax Co., Ltd.
Sonic Team
Sony Interactive Entertainment
Spiral House
Square Co., Ltd.
Square Enix
Starbreeze Studios
Starfish-SD Inc.
Starsphere Interactive
Sting, Inc.
Swordfish Studios
Taito
Takara Co Ltd
Takumi Corporation
Tamsoft
TDK Mediactive Inc
Team17
Tecmo
Terminal Reality
THQ Inc.
Tose Co.
Tranji Studio
Traveller's Tales
Tri-Ace
Ubisoft
United Game Artists[
Valcon Games
Vanillaware Ltd.
Vicarious Visions
Vicious Cycle Software
Virgin Interactive
VIS Entertainment
Vivendi Games, Inc.
Vivendi Universal Games
Volition, Inc.
Wanadoo
Warthog Games
Wide Games
Widescreen Games SARL
Winky Soft
WNT Games
Xicat Interactive
XPEC Entertainment
XS Games Ltd.
ZOO Digital Publishing