Group
- Corvus Belli3
- Corvus Belli, SLL1
- Cosmic Wombat Games17
- Cosplay Deviants5
- Costumes By Design11
- Council Of Fools2
- Council of Lorien32
- Crafty Games44
- Create & Craft, LLC20
- Creative Arts Teaching Seminars16
- Critical Strike1
- Critical Success Productions1
- CrossCut Games, Inc.2
- Crowder College2
- Crunchyroll25
- Cryptic Studios3
- Cryptozoic Entertainment82
- Crystal Commerce1
- Cubicle 7 Entertainment, Ltd.72
- D20 Burlesque1