Companies
- AMPLITUDE Studios
- Andromeda
- Annapurna Interactive
- AOC
- Appeal Studios
- Apple
- Arc System Works
- Arkane Austin
- Arkane Lyon
- Arkane Studios
- Arrowhead Game Studios
- Artdink
- Artificial Mind and Movement
- Artoon
- Ascendant Studios
- Asobo Studio
- Aspyr
- AstralShift
- Astro Gaming
- Atari
- Atlus
- Atlus USA
- Avalanche Software
- Avalanche Studios
- Awaceb