2K Games
Acclaim Entertainment
Activision
Activision Publishing, Inc.
Artificial Mind and Movement
ATARI EUROPE S.A.S.U.
Atari, Inc.
Atomic Planet Entertainment
BAM! Entertainment, Inc.
BANDAI NAMCO Games
Banpresto Co Ltd
BBC Multimedia
Blitz Games
Blue Tongue Entertainment
Bugbear Entertainment
Bungie
Capcom
cavia inc.
Codemasters
Cohort Studios Ltd
Coktel Vision
Collective
Crystal Dynamics
CyberConnect2
Dimps Corporation
Disney Interactive Studios, Inc.
Eidos
EKO Software
Electronic Arts
Empire Interactive Entertainment
Essential Games
Eurocom
Extra Mile Studios Ltd
Free Radical Design Ltd.
From Software
Gray Matter Interactive Studios
Grupo Mastertronic Ltd.
HuneX Co.
Hydravision Entertainment
Hypnotix
Ignition Entertainment
Infogrames
Interplay Entertainment Corp.
Irem Software Engineering
ITE Media ApS
Jester Interactive Publishing
JoWooD Productions
Kemco U.S.A., Inc.
KOEI Co
Konami
Level-5
Level-5 Inc.
LucasArts
Magenta Software Ltd
Metro3D Europe Ltd
Microids
Midas Interactive Entertainment Ltd.
Midway Studios
Milestone
n-Space, Inc.
Namco
Natsume
Naughty Dog
Neko Entertainment
NovaLogic
Now Production
Omega Force
Pandemic Studios
Papaya Studio
Phoenix Games
Point of View
Pyro Studios S.L.
Rage Games
Rebellion Developments
Rockstar Games
SCEE London Studio
Sega
Sidhe Interactive
Sierra Studios
SNK
Sonic Team
Sony Interactive Entertainment
Square Enix
Tamsoft
TDK Mediactive Inc
Team17
THQ Inc.
Traveller's Tales
Tri-Ace
Ubisoft
Valcon Games
Vivendi Games, Inc.
Vivendi Universal Games
Wanadoo