Companies
- Threewave Software
- Threshold Games
- Throughline Games
- Thumbstar Games
- Thumbstar Games Ltd
- Thunder Lotus Games
- Thunderful
- Tic Toc Games
- TIGA
- Tiger Style
- Tigon Studios
- Tilting Point
- Time Warner
- TimeGate Studios
- TiMi Studio Group
- Tiny Speck
- TinyBuild
- TinyCo
- Tipperary Institute
- Titan Gaming Inc.
- Toadman Interactive
- Toge Productions
- Tokyo Broadcasting System Television
- Tokyo RPG Factory
- Tomorrow Corporation