| ID | Name | Type |
|---|---|---|
| #2263 | Carol & Paul Bradbury | Z |
| #2264 | Carol Bradbury | ? |
| #2265 | Carol Brooksbank | ? |
| #2266 | Carol Sharp | + |
| #17977 | Carol Shaw | + |
| #2267 | Carolco Pictures Inc | Z |
| #2268 | Caroline Holden | + |
| #2269 | Caroline Mitchell | + |
| #17126 | Caroline Software | S |
| #2270 | Carolyn Hughes | + |
| #2271 | Carrick Tomson | + |
| #18961 | Carrier Bag Software | P |
| #17127 | Carringtons Computer Centre | H |
| #2272 | Carrium Software | Z |
| #2273 | Carter Follis Software Associates | Z |
| #2274 | Cartoon Time | Z |
| #19621 | Caryn Gough | + |
| #2275 | Cascade Games Ltd | P |
| #2276 | Cascaismicro | ? |
| #2277 | Cases Computer Simulations Ltd | P |