| Console, Heart-Lung Machine, Cardiopulmonary Bypass | Federal registry | 1 |
| Consumables | Company website | 1 |
| Continuous Glucose Monitor Retrospective Data Analysis Software | Federal registry | 1 |
| Continuous Glucose Monitor Secondary Display | Federal registry | 1 |
| Control, Hemoglobin | Federal registry | 1 |
| Control, Pump Speed, Cardiopulmonary Bypass | Federal registry | 1 |
| Counter, Differential Cell | Federal registry | 1 |
| Couplers | Company website | 1 |
| Cover, Barrier, Protective | Federal registry | 1 |
| Covid-19 Multi-Analyte Antigen Device | Federal registry | 1 |
| C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Curette | Federal registry | 1 |
| custom assemblies | Company website | 1 |
| Custom Cable Assemblies | Company website | 1 |
| Custom Electromagnets | Company website | 1 |
| custom inductors | Company website | 1 |
| CUSTOM PRODUCTS | Company website | 1 |
| Cutter, Wire | Federal registry | 1 |
| Cyclosporine | Federal registry | 1 |
| Cystoscope And Accessories, Flexible/Rigid | Federal registry | 1 |
| Cytocentrifuge | Federal registry | 1 |
| data center | Company website | 1 |
| DC Electronic Loads | Company website | 1 |
| Deformability Cytometry For Sepsis Risk Assessment | Federal registry | 1 |
| Design & Engineering | Company website | 1 |
| detectors | Company website | 1 |
| development kit | Company website | 1 |
| Device, Accessory, Cooling Plate For Tissue Embedding Station | Federal registry | 1 |
| Device, Decalcifier, Electrolytic | Federal registry | 1 |
| Device, Digital Image Storage, Radiological | Federal registry | 1 |
| Device, Electrical Dental Anesthesia | Federal registry | 1 |
| Device, Fertility Diagnostic, Proceptive | Federal registry | 1 |
| Device, Galvanic Skin Response Measurement | Federal registry | 1 |
| Device, Hematocrit Measuring | Federal registry | 1 |
| Device, Irrigation, Ocular Surgery | Federal registry | 1 |
| Device, Muscle Monitoring | Federal registry | 1 |
| Device, Nerve Conduction Velocity Measurement | Federal registry | 1 |
| Devices, Measure, Antibodies To Glomerular Basement Membrane (Gbm) | Federal registry | 1 |
| Device, Thermal Ablation, Endometrial | Federal registry | 1 |
| Diagnostic Software, K-Nearest Neighbor Algorithm, Autoimmune Disease | Federal registry | 1 |
| Diagnostic Ultrasonic Transducer, Robotic | Federal registry | 1 |
| Dialyzer, High Permeability With Or Without Sealed Dialysate System | Federal registry | 1 |
| diaphragm seals | Company website | 1 |
| Diazo (Colorimetric), Nitrite (Urinary, Non-Quant) | Federal registry | 1 |
| Diazonium Colorimetry, Urobilinogen (Urinary, Non-Quant.) | Federal registry | 1 |
| Digital Prismatic Correction | Federal registry | 1 |
| Digital Visual Acuity Test | Federal registry | 1 |
| Dimensional Tolerance | Company website | 1 |
| direct view led | Company website | 1 |
| Dislodger, Stone, Basket, Ureteral, Metal | Federal registry | 1 |
