- 505 Games
- Activision
- Activision Blizzard
- Aksys Games
- Aspyr Media
- Atari
- Avanquest
- COKeM
- CRESCENT
- Crescent Marketing
- Electronic Arts
- Game Mill
- GS2 Games
- GungHo Online Entertainment, Inc.
- IDEA FACTORY
- KONAMI
- Limited Run
- Mad Dog Games LLC
- Maximum Games
- Maximum Gaming
- Merge Games
- Microsoft
- Modiphius
- Natsume
- Nighthawk Interactive
- Nintendo
- Plaion
- PM Studios
- Sega
- Sega Games
- Skybound
- Solutions 2 Go
- Sony
- SONY COMPUTER ENTERTAINMENT
- Sony Playstation
- Square Enix
- Studio Wildcard
- Take 2 Interactive
- Techland
- U&I Ent
- U&I Entertainment
- Ubisoft
- Warner Bros
- XSEED Games