Group
- Aerolyth Enterprises4
- Airlock Games3
- Alcazar Industries3
- Alderac Entertainment Group188
- Alien Dungeon11
- All Hands Productions2
- Am1
- Amarillo Design Bureau4
- Amorphous Blob Games16
- Amtgard53
- Andy D1
- Anime Crossroads30
- Anthony Wilson2
- Apathy Wizards!1
- Arc Dream Publishing20
- Arcane Paintworks6
- Arcane Paintworks/Bombshell2
- Arcane Tinmen13
- Arcane Wonders28
- Arcaniacs34