C
- Cardiac Pacemakers Inc
- Cardiac Science
- CardioDynamics International Inc
- Cardioline Inc
- CareFusion
- Carestream Health Inc
- CAS Medical Systems
- Castle Co
- Centrak Inc
- CGR Medical Corp
- Chatillon Force
- Chattanooga Group
- Chauffer Mobility
- Christie Medical Holdings
- Ciba-Corning Diagnostics
- Clinical Dynamics Corp
- COBE Cardiovascular Inc
- Code Blue
- Codman & Shurtleff Inc
- Colin Medical Instruments
- CompuCaddy
- Compumedics USA Ltd
- Continental Scale
- Cook Medical
- CoolView
- Corometrics Medical Systems
- Cortronix
- Criticare Systems Inc
- Critikon Inc
- Crystal Photonics
- Cutter Medical
- Cybex