| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Compuquest | 0.00 ±0.0 | ||||
| Compute! Publications, Inc. | 0.00 ±0.0 | ||||
| Computer Age Software | 0.00 ±0.0 | ||||
| Computer Assisted Instruction, Inc. | 0.00 ±0.0 | ||||
| Computer Club Berlin | 0.00 ±0.0 | ||||
| Computer Consultants of Iowa | 0.00 ±0.0 | ||||
| Computer Learning Center for Children | 0.00 ±0.0 | ||||
| Computer Magic Ltd. | 0.00 ±0.0 | ||||
| Computer Platform Unlimited | Czech Republic (Czechia) | Prostejov (Prostějov) | 0.00 ±0.0 | ||
| Computer Products International | 0.00 ±0.0 | ||||
| Computer Software Services | 0.00 ±0.0 | ||||
| Computers as Tutors! | 0.00 ±0.0 | ||||
| Compy Shop | 0.00 ±0.0 | ||||
| Compysoft | 0.00 ±0.0 | ||||
| Comtronic Systems | 0.00 ±0.0 | ||||
| Concepts for Darren | 0.00 ±0.0 | ||||
| Concom Enterprises | 0.00 ±0.0 | ||||
| Concorde Peripherals | Canada | Richmond Hill | 0.00 ±0.0 | ||
| Condor Soft | 0.00 ±0.0 | ||||
| Confusion | Czech Republic (Czechia), Poland | Gdynia, Prostejov (Prostějov) | 0.00 ±0.0 |
