Companies
- App Annie
- Apple
- Applibot
- Applifier
- AppLovin
- AppsFlyer
- Appy Entertainment
- AppyNation
- APVP (Portuguese Game Developer Association)
- Aquiris Game Studio
- Arc System Works
- Arcen Games
- Archangel Studios
- Archiact
- Archos, Inc.
- Arctic7
- area/code
- ArenaNet
- Argos
- Arkadium
- Arkane Austin
- Arkane Lyon
- Arkane Studios
- Arkedo
- Arkedo Studio