Group
- IDIG4
- Impact! Miniatures3
- Indiana Ghost Trackers3
- Indiana State University1
- Indie Press Revolution20
- Indy Mavens1
- Indy Photo Coach2
- Infinite Imaginations, Inc.109
- InkPen Productions5
- Inner Kingdom Games12
- Interaction Point Games (IPG)11
- Iron GM, LLC2
- IronDM All-Stars5
- It's A Trap!2
- Jagged Empire4
- Jan Lamm1
- Jasco Games8
- Jennifer Harris3
- Kalamazoo Area Boardgamers5
- Kentucky Fried Gamers (KFG)7