Companies
- Analogue
- Andreas Illiger
- Angel Matrix
- Animoca Brands
- Ankama Games
- Annapurna Animation
- Annapurna Interactive
- Another Indie
- Another Place Productions
- Anshar Studios
- Anuman Interactive
- Apogee Software
- Appeal Studios
- Apple
- AQ Interactive
- Arbitrary Metric
- Arc System Works
- Arcen Games
- Archangel Studios
- Archetype Entertainment
- Arekkz
- ArenaNet
- Arkane Austin
- Arkane Lyon
- Arkane Studios
- Arkedo Studio
- Armature Studio
- Armor Games
- Arrowhead Game Studios
- Artech Studios
- ArtePiazza
- Artificial Mind and Movement
- Artisan Studios
- Artoon
- Arzest Corporation
- Ascendant Studios
- AsiaSoft
- Asmodee Digital
- Asobo Studio
- Aspyr
- Astro Gaming
- Asus
- Atari
- Atlas Games
- Atlus
- Atlus USA
- Atomhawk Design
- Atomic Games
- Atomic Monster
- AuntyGames