Companies
- Activision
- Activision Blizzard
- Aidem Media
- Alkimia Interactive
- All In! Games
- Amanita Design
- Amaze Entertainment
- Amazon
- Amazon Game Studios
- Amazon Game Studios, Double Helix Games
- Amazon Games
- Amazon Prime
- AMC Games
- AMD
- Annapurna Interactive
- Anshar Studios
- Appeal
- Appeal Studios
- Apple
- Arc System Works
- Arkane Austin
- Arkane Lyon
- Arkane Studios
- Armature Studios
- Arrowhead Game Studios