Group
- Traci Fraley3
- Train Gamers Association172
- Tribality Publishing1
- Tribality.com / Innovaworks Inc.1
- Trio Menagerie1
- Troll and Toad45
- True Adventures, Ltd.828
- Trusty Lamp Games1
- Tuesday Knight Games1
- Twilight Creations6
- Twilight Creations, Inc.26
- Twin Cities Gamers5
- Twogether Studios24
- UH Publishing Inc.19
- US Infinity Warcors21
- US Tak Association6
- USAopoly77
- USS Anacostia3
- Ulisses Spiele International1
- Ultra Pro International42