Companies
- Toei Animation
- Toho
- Toho Animation
- Tokyo RPG Factory
- Tom Francis
- Tom Happ
- Tomasz Wacławek
- Tomorrow Corporation
- Too Kyo Games
- Top Cow Productions
- Topware Interactive
- Torn Banner Studios
- Tose
- Total Mayhem Games
- Totally Games
- Tower Studios
- Toxic Games
- Toylogic
- Toys for Bob
- Toys R Us
- Tozai Games
- Tragnarion Studios
- TransGaming Inc.
- Transmission Games
- Trapdoor inc.
- Traveller's Tales
- Treasure
- Trendy Entertainment
- Treyarch
- Treyarch Invention
- Tri Synergy
- Tri-Ace
- Tri-Crescendo
- Triband
- Tribute Games Inc.
- Trickstar Games
- Trigger Happy Interactive
- Trinigy GmbH
- Trion Worlds
- Tripwire Interactive
- Triternion
- Triumph Studios
- Troika Games
- Tru Blu Entertainment
- True Games
- TT Fusion
- TT Games
- TTK Games
- Tuque Games
- Turbine Entertainment