Group
- ClaireKnits7
- Cloven Pine Games1
- CoGG62
- Coin Flip Games12
- Cold Dinosaur Games3
- Columbia Games Inc.25
- Commentary is Magic1
- Con.Events4
- ConTessa104
- Contessa1
- Copper Frog Games LLC15
- Corvus Belli1
- Coryphefish 104517
- Cosmic Mirror Games7
- Cosplay Deviants5
- Cosplay Program25
- Counts to Nine Productions4
- Craft Hackers8
- Crafty Gamers40
- Creative Combat Club18