| ID | Name | Type |
|---|---|---|
| #2750 | Computeristic | Z |
| #2751 | Computerlock | H |
| #2752 | Computermania | Z |
| #17187 | Computers for All | A |
| #2754 | Computers for Education | Z |
| #17188 | Computers of Wigmore Street | H |
| #17189 | Computersoft | X |
| #18331 | Computertutor | P |
| #17190 | Computerware | S |
| #2755 | Computerworld | A |
| #2756 | Computex Cases | Z |
| #2757 | Computing Publications | Z |
| #22909 | Compware | Z |
| #2760 | Comse | ? |
| #17191 | Comsoft Mail Order | S |
| #17192 | Comtrax Computer Software | S |
| #18773 | Con Aslanis | + |
| #2761 | Conan | ? |
| #2763 | Concept Animations | Z |
| #2764 | Concept Software Ltd | Z |