| ID | Name | Type |
|---|---|---|
| #2284 | Castle Software | Z |
| #2285 | Castor Cracking Group | Z |
| #2286 | Casventures Ltd | Z |
| #2287 | Caswell R. Palmer | + |
| #2288 | Cat-Man | - |
| #19033 | Catalunya Radio | P |
| #2289 | Catalyst Coders | P |
| #2290 | Cathedral Software | Z |
| #2291 | Catherine Grant | + |
| #19593 | Cathryn Corns | + |
| #16088 | Cathy Foot | + |
| #2292 | Cathy Hoar | + |
| #18820 | Catmeows | - |
| #22687 | Catra Software | P |
| #2293 | Catriona Glen | + |
| #2294 | Cav Inc | Z |
| #19974 | Cavern Games | P |
| #2295 | Cavern Software | Z |
| #19307 | Ce-Soft | P |
| #18901 | Cebrian | - |