| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| CDI | 0.00 ±0.0 | ||||
| CE Software | 0.00 ±0.0 | ||||
| Cedar Island Software | 0.00 ±0.0 | ||||
| CEL Programs | 0.00 ±0.0 | ||||
| Center for Mathematical Literacy | 0.00 ±0.0 | ||||
| Centresoft Ltd. | 0.00 ±0.0 | ||||
| Centurian Enterprises | United States | Kansas City | 0.00 ±0.0 | ||
| Centurion Industries, Inc. | 0.00 ±0.0 | ||||
| Centy Brown And Friends | Czech Republic (Czechia) | 0.00 ±0.0 | |||
| Chalk Board, Inc. | 0.00 ±0.0 | ||||
| Chameleon Software | 0.00 ±0.0 | ||||
| Channel 8 Software | 0.00 ±0.0 | ||||
| CHAOS | 0.00 ±0.0 | ||||
| Chaos Club Chemnitz | 0.00 ±0.0 | ||||
| Checkpoint | Germany, United Kingdom | Dresden, Leipzig, Romford | 0.00 ±0.0 | ||
| ChenThread | Poland | 0.00 ±0.0 | |||
| ChildsPlay SoftWare Services | 0.00 ±0.0 | ||||
| ChildWare, Inc. | 0.00 ±0.0 | ||||
| Chinon Industries | Japan | Chino | 0.00 ±0.0 | ||
| Chip | 0.00 ±0.0 |
