| ID | Name | Type |
|---|---|---|
| #20435 | Classic Computing | P |
| #2561 | Classic Conflicts | Z |
| #2562 | Classic Software | Z |
| #16694 | Classified Product Services | Z |
| #17142 | Classified Products & Services | H |
| #2563 | Claude J. DeRossi | + |
| #2564 | Claude Sablatou | + |
| #16103 | Claudia Cooke | + |
| #2565 | Claudio Cimini | + |
| #2566 | Claudio Marciano | + |
| #2567 | Claudio Mazzuco | + |
| #2568 | Claudio Molinari | + |
| #2569 | Claudio Romagnoli | + |
| #21009 | Claudio Russo | + |
| #21431 | Claudio de Castilho | + |
| #22595 | Claudiu Schiller | + |
| #2570 | Claudy Galais | ? |
| #2571 | Claus | ? |
| #20397 | Claus Becker | + |
| #23048 | Claus Brock | + |