Group
- CMON Inc66
- CNGM Pictures1
- CNY Tabletop2
- CORGS21
- COTSH4
- CQ Games1
- CRP Services1
- CSR4
- CSz Indianapolis12
- CSz Indianapolis (Home of ComedySportz)2
- CU Adventures511
- CU Adventures in Time & Space473
- CU DIY Wellness9
- CUDO Plays1
- Cabrini University1
- Cactus Game Design8
- Cactus Game Design, Inc.2
- Caelestis Designs1
- Cal Rea1
- Caliena Creations2