Companies
- Archangel Studios
- Archiact
- Archos, Inc.
- Arctic7
- area/code
- ArenaNet
- Argonaut Games
- Argos
- Arkadium
- Arkane Austin
- Arkane Lyon
- Arkane Studios
- Arkedo
- Arkedo Studio
- ARM Ltd.
- Armature Studio
- Armor Games
- Armor Games Studios
- Arrowhead Game Studios
- Art of Crime ApS
- ArtCraft
- Artificial Agency
- Artisan Studios
- Artplant
- Ascaron