Companies
- Amazon
- Amazon Game Studios
- Amazon Game Studios, Double Helix Games
- Amazon Games
- Amazon Prime
- Ambrella
- AMD
- Amiqus
- Amplifier Game Invest
- AMPLITUDE Studios
- Annapurna Interactive
- Anshar Studios
- Antstream Ltd
- AOC
- Apogee Software
- Appeal Studios
- Apple
- AppLovin
- Arc System Works
- Archangel Studios
- Arctic
- ArenaNet
- Arkane Austin
- Arkane Lyon
- Arkane Studios