| Company | Location | Type | |
|---|---|---|---|
| Caritas-Krankenhaus Bad Mergentheim | D-97980 Bad Mergentheim | clinic / hospital | |
| Christliches Krankenhaus Quakenbrück gGmbH | D-49610 Quakenbrück | clinic / hospital | |
| Clemenshospital GmbH | D-48153 Münster | clinic / hospital | |
| Clienia Littenheid AG | CH-9573 Littenheid | clinic / hospital | |
| CT & MRT Institut Dr. E. Rachinger GmbH | A-4020 Linz | medical practice | |
| CURA Kath. Einrichtungen im Siebengebirge gGmbH | 53604 Bad Honnef | clinic / hospital |
|