Companies
- Westlake Interactive
- Westwood Studios
- Whitethorn Games
- Widescreen Games
- Wired Productions
- Wishfully
- Witch Beam
- Wizards of the Coast
- Wizards of the Coast Digital Games Studio
- WolfEye Studios
- Wonder People
- World's Edge
- Wube Software
- X (formerly Twitter)
- Xbox Game Studios
- XGen Studios
- Xiaomi
- XICAT
- XMG Studio
- XSEED Games
- Yacht Club Games
- YAGER Development
- Young Horses, Inc.
- Ys Net
- Yuke's