| By Brand | Company website | 1 |
| By type | Company website | 1 |
| Cable Assemblies | Company website | 1 |
| Cable, Electrode | Federal registry | 1 |
| Cable Harnesses | Company website | 1 |
| Calculator/Data Processing Module, For Clinical Use | Federal registry | 1 |
| Calculator, Drug Dose | Federal registry | 1 |
| Calibration Software For Radiology Displays | Federal registry | 1 |
| Camera, Ophthalmic, Ac-Powered | Federal registry | 1 |
| Camera, Ophthalmic, General-Use | Federal registry | 1 |
| Camera, Ophthalmic, Slit-Scanning | Federal registry | 1 |
| Cameras | Company website | 1 |
| Camera, Still, Endoscopic | Federal registry | 1 |
| Camera, Television, Endoscopic, Without Audio | Federal registry | 1 |
| Camera, Television, Surgical, Without Audio | Federal registry | 1 |
| Cannula, Nasal, Oxygen | Federal registry | 1 |
| Cannula, Ophthalmic | Federal registry | 1 |
| Cardiac Ablation Percutaneous Catheter | Federal registry | 1 |
| Cardiac C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Catalytic Methods, Amylase | Federal registry | 1 |
| Catheter And Tip, Suction | Federal registry | 1 |
| Catheter, Cannula And Tubing, Vascular, Cardiopulmonary Bypass | Federal registry | 1 |
| Catheter, Cholangiography | Federal registry | 1 |
| Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days | Federal registry | 1 |
| Catheter, Nephrostomy | Federal registry | 1 |
| Catheter, Percutaneous | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Fibrillation | Federal registry | 1 |
| Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Flutter | Federal registry | 1 |
| Catheter, Percutaneous Transluminal Coronary Angioplasty (Ptca), Cutting/Scoring | Federal registry | 1 |
| Centrifuge, Hematocrit | Federal registry | 1 |
| Centrifuges (Micro, Ultra, Refrigerated) For Clinical Use | Federal registry | 1 |
| Cerebral Oximeter | Federal registry | 1 |
| Ceruloplasmin, Antigen, Antiserum, Control | Federal registry | 1 |
| Charger | Company website | 1 |
| chart recorders | Company website | 1 |
| chassis | Company website | 1 |
| Chips | Company website | 1 |
| Chromatographic/Fluorometric Method, Catecholamines | Federal registry | 1 |
| Clamp | Federal registry | 1 |
| Clinical Sample Concentrator | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Coax | Company website | 1 |
| Colorimetric Method, Gamma-Glutamyl Transpeptidase | Federal registry | 1 |
| Colorimetry, Cholinesterase | Federal registry | 1 |
| Colorimetry, Salicylate | Federal registry | 1 |
| Complement C3, Antigen, Antiserum, Control | Federal registry | 1 |
| Complement C4, Antigen, Antiserum, Control | Federal registry | 1 |
| Computer, Diagnostic, Pre-Programmed, Single-Function | Federal registry | 1 |
| Conductivity Rate, Urea Nitrogen | Federal registry | 1 |
| Confocal Optical Imaging | Federal registry | 1 |
