| Adrenalin
| http://www.adrenalin.com
|
| Adrenium Games
| http://www.adrenium.com
|
| The Adventure Company
| http://www.adventurecompanygames.com/tac/index.html
|
| age
| http://www.age-soft.co.jp/index_Main.shtml
|
| Agetec
| http://www.agetec.com
|
| AIA USA, Ltd.
| http://www.aiagotgames.com
|
| Ai Factory
| http://www.aifactory.co.uk
|
| Akella
| http://www.akella.com
|
| Aki Corporation
| http://www.aki.co.jp
|
| Alchemist
| http://www.alchemist-net.co.jp/
|
| Alfa System
| http://www.alfasystem.net/
|
| Alice Soft
| http://www.alicesoft.co.jp/
|
| Kuzuryuu
| http://www.amalgame.co.jp/nine-heads/
|
| Amuze
| http://www.amuze.com
|
| Anchor Inc.
| http://www.anchorinc.co.jp
|
| AndNow
| http://www.andnow.net
|
| Angel Studios
| http://www.angelstudios.com
|
| Mathematiques Appliquees S. A.
| http://www.animaths.com/
|
| American Softworks
| http://www.anonymous1.com/ascgames/index.html
|
| Aoni Production
| http://www.aoni.co.jp
|
| Apogee
| http://www.apogee1.com
|
| Appaloosa Interactive
| http://www.appaloosacorp.com
|
| Novotrade
| http://www.appaloosacorp.com/
|
| Apple
| http://www.apple.com
|
| Absolute Quality Inc.
| http://www.aqinc.com/
|
| Aqua Pacific
| http://www.aqua-pacific.com
|
| Marine Heart
| http://www.aquahouse.co.jp/marine/
|
| Arc System Works
| http://www.arcsy.co.jp/
|
| Argonaut Games
| http://www.argonaut.com
|
| Arika
| http://www.arika.co.jp
|
| ArtDink
| http://www.artdink.com/
|
| Artech Studios
| http://www.artechstudios.com
|
| Artoon
| http://www.artoon.co.jp/
|
| ArtSource Studios
| http://www.artsource.com
|
| Computer Artworks
| http://www.artworks.co.uk
|
| Arxel Tribe
| http://www.arxeltribe.com/
|
| ASC Games
| http://www.ascgames.com
|
| ASCII
| http://www.ascii.co.jp/english/
|
| ASK
| http://www.ask-digital.co.jp/
|
| Asmik Ace Entertainment
| http://www.asmik-ace.co.jp/
|
| Patisserie
| http://www.asobell.jp
|
| Aspyr
| http://www.aspyr.com
|
| Touchy
| http://www.assemblage.co.jp/n_soft/
|
| Asylum Entertainment
| http://www.asylum-entertainment.com
|
| Atari
| http://www.atari.com
|
| Attention to Detail
| http://www.atd.co.uk
|
| Atlus Software
| http://www.atlus.com
|
| Atod AB
| http://www.atod.se
|
| Atomic Planet
| http://www.atomic-planet.com
|
| Audio Motion
| http://www.audiomotion.com
|