Companies
- Ascaron
- Ascendant Studios
- Asmodee
- Asmodee Digital
- Asobo Studio
- Aspyr
- ASRock
- Assemble Entertainment
- Astragon Entertainment GmBH
- AstralShift
- Astro Gaming
- Asus
- Atari
- Atlus
- Atlus USA
- Atomic Elbow
- Audeze
- AuntyGames
- Auroch Digital
- Autumn Games
- Avalanche Software
- Avalanche Studios
- Awaceb
- AWD-IT
- Ayopa Games