| ID | Name | Type |
|---|---|---|
| #2572 | Claus Eurich | + |
| #2573 | Claus Jahn | + |
| #22806 | Claus Jensen | + |
| #2574 | Claus Wissing | + |
| #23267 | Clausgames | P |
| #2575 | Claw | ? |
| #18861 | Clayton McDermott | + |
| #20552 | Clebin Games | P |
| #2576 | Clem Chambers | ? |
| #2577 | Clement Laurence Stephen Pryke | + |
| #2578 | Cleva Computerware | Z |
| #2579 | Clever Music | Z |
| #2580 | Clevers Group | Z |
| #2581 | Cliff J. Ogden | + |
| #2582 | Cliff Jackson | + |
| #16104 | Cliff Joseph | + |
| #2583 | Cliff Lawson | + |
| #2584 | Cliff Tate | + |
| #2585 | Clifford Abrahams | + |
| #2586 | Clifford Brookes | + |