DEVELOPERS
- T&E Soft
- Tahoe Software
- Taito
- Taito Corporation
- Takara
- Takeru
- Tamsoft
- TamTam
- Tamtex
- Taniko
- Tantalus Interactive
- Tarantula Studios
- Tasuke
- Taxan
- TCC
- TDK Core
- Team Bioteckers
- Team Mental Care
- Team Ninja
- TeaSet
- Tec Toy
- Techiku
- Technopop
- Technos
- Technos Japan
- TechnoSoft
- TecMagik
- Tecmo
- Teeny Weeny Games
- Telegames, Inc.
- Telenet Japan
- Tell-Tale Production
- Tempest Software
- Tengen
- Tenky
- Teque Interactive
- Terraglyph Interactive Studios
- TGL
- The Code Monkeys
- The Kremlin
- The Sales Curve
- Thede Monkeys
- Thin Chen Enterprises
- Thinking Rabbit
- THQ
- Tierheit
- Tiertex Design Studios
- Time Warner Interactive
- Titanium Studios
- Titus Software
- TNN
- Toaplan
- Toei Animation
- ToeJam & Earl Productions
- Toho
- Tokai Engineering
- Tokuma Shoten
- Tokyo Electron
- Tom Create
- Tomcat System
- Tomy Corporation
- Tonkin House
- Torus Games
- TOSE
- Towachiki
- Toys for Bob
- Tradewest
- Traveller's Tales
- Treasure
- Treco
- Treyarch
- Tri-Ace
- Triffix
- Tsuburaya Prod.
- Tsukuda Ideal
- Tsukuda Original
- Tuna
- Twilight Games
- Twilight Zone Software
- Two Tribes
- TwoFiveSix