Companies
- Ascendant Studios
- AsiaSoft
- Asmodee
- Asmodee Digital
- Asobo Studio
- Aspyr
- Astragon Entertainment GmBH
- Asus
- Atari
- Atari / Infogrames
- Atlus
- Atlus USA
- Auroch Digital
- Aurora44
- Autumn Games
- Avalanche Software
- Avalanche Studios
- Backbone Entertainment
- Bad Ridge Games
- Ballistic Moon
- BAM! Entertainment
- bandai
- Bandai Namco Entertainment
- Bandai Namco Games
- BANDAI NAMCO Studios