| Bur, Ear, Nose And Throat | Federal registry | 1 |
| Cabinet Signs | Company website | 1 |
| Cage, Knee | Federal registry | 1 |
| Caliper | Federal registry | 1 |
| Camera, Ophthalmic, Ac-Powered | Federal registry | 1 |
| Camera, Ophthalmic, General-Use | Federal registry | 1 |
| Camera, Television, Surgical, With Audio | Federal registry | 1 |
| Cannula, Ear | Federal registry | 1 |
| Cannula, Injection | Federal registry | 1 |
| Cannula, Sinus | Federal registry | 1 |
| Catheter And Tip, Suction | Federal registry | 1 |
| Catheter Introducer Kit | Federal registry | 1 |
| Catheter, Irrigation | Federal registry | 1 |
| Catheter, Suprapubic (And Accessories) | Federal registry | 1 |
| Cerclage, Fixation | Federal registry | 1 |
| Chair, Ophthalmic, Ac-Powered | Federal registry | 1 |
| channel letters | Company website | 1 |
| Chart, Visual Acuity | Federal registry | 1 |
| Chisel, Middle-Ear | Federal registry | 1 |
| Chisel, Nasal | Federal registry | 1 |
| Chisel, Surgical, Manual | Federal registry | 1 |
| Clamp, Non-Electrical | Federal registry | 1 |
| Clamp, Ossicle Holding | Federal registry | 1 |
| Clamp, Rubber Dam | Federal registry | 1 |
| Clamp, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Clamp, Vascular | Federal registry | 1 |
| Cleaner, Ultrasonic, Medical Instrument | Federal registry | 1 |
| Cleanser, Root Canal | Federal registry | 1 |
| Coagulator-Cutter, Endoscopic, Unipolar (And Accessories) | Federal registry | 1 |
| Computer, Blood-Pressure | Federal registry | 1 |
| Computer, Diagnostic, Programmable | Federal registry | 1 |
| Connector, Airway (Extension) | Federal registry | 1 |
| Container, Sharps | Federal registry | 1 |
| Controller, Temperature, Cardiopulmonary Bypass | Federal registry | 1 |
| Cover, Cast | Federal registry | 1 |
| Cover, Mattress (Medical Purposes) | Federal registry | 1 |
| Cover, Shoe, Operating-Room | Federal registry | 1 |
| Cricothyrotomy Kit | Federal registry | 1 |
| Curette | Federal registry | 1 |
| Curette, Adenoid | Federal registry | 1 |
| Curette, Nasal | Federal registry | 1 |
| Curette, Surgical, General Use | Federal registry | 1 |
| Curette, Uterine | Federal registry | 1 |
| Cutter, Wire | Federal registry | 1 |
| Dam, Rubber | Federal registry | 1 |
| Denture Preformed (Partially Prefabricated Denture) | Federal registry | 1 |
| Dentures, Partial | Federal registry | 1 |
| Depressor, Metal Tongue, Surgical | Federal registry | 1 |
| Depressor, Tongue, Non-Surgical | Federal registry | 1 |
| Dermatome | Federal registry | 1 |
