Companies
- Trendy Entertainment
- Treyarch
- Tri-Ace
- Triangle Studios
- Tribeflame
- TribePlay
- Trickstar Games
- Trilogy Studios
- Trinigy GmbH
- Trion Worlds
- Trion Worlds, Inc.
- TriOviz
- Triple Topping
- Tripledot Studios
- Tripwire Interactive
- Triternion
- True Gamers
- True Games
- Truly Social Games
- TT Games
- TTK Games
- Tuna Technologies
- Turbine Entertainment
- Turbine, Inc.
- Turbine, Inc. | WB Games