| Catheter, Ureteral, Gastro-Urology | Federal registry | 1 |
| Catheter, Urological | Federal registry | 1 |
| Chart, Visual Acuity | Federal registry | 1 |
| Chisel, Middle-Ear | Federal registry | 1 |
| Chisel, Osteotome, Surgical | Federal registry | 1 |
| Clamp, Eyelid, Ophthalmic | Federal registry | 1 |
| Clamp, Muscle, Ophthalmic | Federal registry | 1 |
| Clamp, Non-Electrical | Federal registry | 1 |
| Clamp, Ossicle Holding | Federal registry | 1 |
| Clamp, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Clasp, Preformed | Federal registry | 1 |
| Cleanser, Denture, Over The Counter | Federal registry | 1 |
| Closed Antineoplastic And Hazardous Drug Reconstitution And Transfer System | Federal registry | 1 |
| Coating, Filling Material, Resin | Federal registry | 1 |
| Collagen Corneal Shield | Federal registry | 1 |
| Components, Exercise | Federal registry | 1 |
| Compressor, Orbital | Federal registry | 1 |
| Computer, Diagnostic, Pre-Programmed, Single-Function | Federal registry | 1 |
| Computer, Diagnostic, Programmable | Federal registry | 1 |
| Conformer, Ophthalmic | Federal registry | 1 |
| Continuous, Ventilator, Home Use | Federal registry | 1 |
| Cover, Shoe, Operating-Room | Federal registry | 1 |
| Crib Mattresses | Company website | 1 |
| Crimper, Wire, Ent, Sterile | Federal registry | 1 |
| Crown And Bridge, Temporary, Resin | Federal registry | 1 |
| Crown, Preformed | Federal registry | 1 |
| Culdoscope (And Accessories) | Federal registry | 1 |
| Culture Media, Single Biochemical Test | Federal registry | 1 |
| Curette, Adenoid | Federal registry | 1 |
| Curette, Ethmoid | Federal registry | 1 |
| Curette, Surgical, Dental | Federal registry | 1 |
| Cushion, Flotation | Federal registry | 1 |
| Cystotome | Federal registry | 1 |
| DECALS | Company website | 1 |
| Dental Barriers And Sleeves | Federal registry | 1 |
| Detector And Alarm, Arrhythmia | Federal registry | 1 |
| Device, Cystometric, Hydraulic | Federal registry | 1 |
| Device, Dental Sonography, For Monitoring Jaw Sounds | Federal registry | 1 |
| Device, Fertility Diagnostic, Proceptive | Federal registry | 1 |
| Device, Fixation, Tracheal Tube | Federal registry | 1 |
| Device, Intravascular Catheter Securement | Federal registry | 1 |
| Device, Medical Examination, Ac Powered | Federal registry | 1 |
| Device, Percutaneous Retrieval | Federal registry | 1 |
| Device, Rebreathing | Federal registry | 1 |
| Device, Transfer, Patient, Manual | Federal registry | 1 |
| diamonds | Company website | 1 |
| Digitizer, Image, Radiological | Federal registry | 1 |
| Dilator, Catheter, Ureteral | Federal registry | 1 |
| Dilator, Lachrymal | Federal registry | 1 |
| Dilator, Nasal | Federal registry | 1 |
