| Biosensor, Immunoassay, Myoglobin | Federal registry | 1 |
| Bronchial Thermoplasty System | Federal registry | 1 |
| Cable | Company website | 1 |
| Calibrators, Drug Mixture | Federal registry | 1 |
| Calibrators, Drug Specific | Federal registry | 1 |
| Calibrators, Ethyl Alcohol | Federal registry | 1 |
| Camera, Television, Endoscopic, Without Audio | Federal registry | 1 |
| Cannula, Ophthalmic | Federal registry | 1 |
| Capacitors | Company website | 1 |
| Carbol Fuchsin | Federal registry | 1 |
| Cardiac Ablation Percutaneous Catheter | Federal registry | 1 |
| Catheter, Angioplasty, Peripheral, Transluminal | Federal registry | 1 |
| Catheter, Intravascular, Therapeutic, Long-Term Greater Than 30 Days | Federal registry | 1 |
| Catheter, Nephrostomy | 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 |
| Catheters, Transluminal Coronary Angioplasty, Percutaneous | Federal registry | 1 |
| C. Difficile Nucleic Acid Amplification Test Assay | Federal registry | 1 |
| Cells, Animal And Human, Cultured | Federal registry | 1 |
| Cerebral Oximeter | Federal registry | 1 |
| Cleanser, Denture, Over The Counter | Federal registry | 1 |
| Clinical Sample Concentrator | Federal registry | 1 |
| CNC MILLING | Company website | 1 |
| CNC TURNING | Company website | 1 |
| Colonoscope And Accessories, Flexible/Rigid | Federal registry | 1 |
| Colorimeter, Photometer, Spectrophotometer For Clinical Use | Federal registry | 1 |
| Compressor, Cardiac, External | Federal registry | 1 |
| Congo Red | Federal registry | 1 |
| Container, Specimen, Non-Sterile | Federal registry | 1 |
| Continuous Measurement Thermometer | Federal registry | 1 |
| Control, White-Cell | Federal registry | 1 |
| Coronavirus Antigen Detection Test System. | Federal registry | 1 |
| Counter, Cell, Automated (Particle Counter) | Federal registry | 1 |
| Counter, Differential Cell | Federal registry | 1 |
| Couplers | Company website | 1 |
| Coverslips, Microscope Slide | Federal registry | 1 |
| C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Crystal Violet For Histology | Federal registry | 1 |
| Culture Media, Non-Propagating Transport | Federal registry | 1 |
| custom inductors | Company website | 1 |
| Custom Solutions | Company website | 1 |
| Cytokeratins | Federal registry | 1 |
| data center | Company website | 1 |
| detectors | Company website | 1 |
| Device, Hemostasis, Vascular | Federal registry | 1 |
| Device, Irrigation, Ocular Surgery | Federal registry | 1 |
| Device, Neurovascular Embolization | Federal registry | 1 |
| Devices Detecting Influenza A, B, And C Virus Antigens | Federal registry | 1 |
| Device, Thermal Ablation, Endometrial | Federal registry | 1 |
| Device, Vascular, For Promoting Embolization | Federal registry | 1 |