Companies
- Thunderful
- Thunderful Publishing
- Tiger Style
- Tigon Studios
- TikGames LLC
- Tim Miller
- Time Warner
- TimeGate Studios
- TiMi Studio Group
- Tin Man Games
- Tindalos Interactive
- Tiny Speck
- TinyBuild
- TinyCo
- TMS Entertainment
- Toadman Interactive
- Toby Fox
- Toei Animation
- Toho
- 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