Companies
- Absurd Ventures
- Academy of Interactive Arts & Sciences
- Access Games
- Acclaim Games
- ACE Team
- Acer
- Acid Nerve
- Acid Wizard Studio
- ACRONYM Games
- Action Button Entertainment
- Activision
- Activision Blizzard
- Adglobe Inc
- Adult Swim
- Adult Swim Games
- Aether Studios
- Agens
- Agetec
- Airbnb
- Airship Syndicate
- Airtight Games
- Akella
- Aksys Games
- Akupara Games
- Aladdin X
- Aleph One Developers
- Alientrap Games
- Alienware
- Alkemi
- Alkimia Interactive
- All In! Games
- All Possible Futures
- Almost Human
- Alpha Dog Games
- Alphadream
- Amanita Design
- Amaze Entertainment
- Amazon
- Amazon Fliptoon
- Amazon Game Studios
- Amazon Game Studios, Double Helix Games
- Amazon Games
- Amazon MGM Studios
- Amazon Prime
- Amazon.com
- Amblin Entertainment
- AMC Games
- AMD
- Amplifier Game Invest
- AMPLITUDE Studios