Group
- UH.Publishing Inc.15
- USAopoly98
- UnBound Games13
- UnderDiscussion: The Undergopher Podcast1
- Underdark Expedition3
- Unified Theory Games6
- Upper Deck Entertainment20
- Usborne Books & More1
- VIG28
- Van Ryder Games6
- Vigilance Press6
- Virtual World Entertainment, LLC.80
- Vorpal Games1
- VsSystem.Org2
- WAG7
- Wabash College1
- Warlord Games32
- Wasabi Anime10
- Wax Chaotic1
- Wednesday Wizard Players Group1