3DO
7-Studios
Acclaim
Activision
Angel Studios Artdink
ASCII Entertainment
ASK
Astroll
Atlus
BioWare Corp
Bungie
Capcom
Climax
Core Design
Crystal Dynamics
Crytek Studios
Deep Red Games
Deepspace Software
Dream Factory
EA
Enix
Epic Games
Escape
Evolution Studios
Fox Interactive
Free Radical Design
From Software
GameArts
Gearbox Software
Genki
Gust
HeadFirst
Illusion Softworks
Irrational Games
Jaleco
Kadokawa Shoten
Koei
Konami
Kuju Entertainment
Lightweight
Lionhead
LucasArts
Majesco
Marvelous Entertainment
Massive Entertainment
Metropolis Digital
Midway
Mobius Entertainment
Monolith
Mythos Games
Namco
Opus Corp
Osiris Studios
Pacific Coast Power and Light Company
Papaya Studios
Polyphony Digital
Pyro Studios
Rage Software
SCi
Sidhe Interactive
Sony Computer Entertainment
Square Soft
Stormfront Studios
Sunrise Interactive
Surreal Software
T&E Soft
Taito
Team 17
Tecmo
UbiSoft
UEP Systems
Vatical Entertainment
Volition