| Name | Country | City | Rating | |
|---|---|---|---|---|
| Code Masters | 0.00 ±0.0 | |||
| CodeWriter | 0.00 ±0.0 | |||
| Cognito | 0.00 ±0.0 | |||
| Coleco | 0.00 ±0.0 | |||
| Collin Computer Products | 0.00 ±0.0 | |||
| Color Computer Concepts | 0.00 ±0.0 | |||
| Color Software | 0.00 ±0.0 | |||
| Completely Grounded Software | 0.00 ±0.0 | |||
| Compu-Ed | 0.00 ±0.0 | |||
| Compu-Net | 0.00 ±0.0 | |||
| Compu-Tations, Inc. | 0.00 ±0.0 | |||
| Compu-Things | 0.00 ±0.0 | |||
| Compu-Ware | 0.00 ±0.0 | |||
| CompuEd | 0.00 ±0.0 | |||
| Compugraphics | 0.00 ±0.0 | |||
| Compumax | 0.00 ±0.0 | |||
| Compuquest | 0.00 ±0.0 | |||
| Compute! | 0.00 ±0.0 | |||
| Compute! Publications, Inc. | United States | Greensboro, North Carolina | 0.00 ±0.0 | |
| Computer & Video Games | 0.00 ±0.0 |
