| custom labels | Company website | 1 |
| custom machined parts | Company website | 1 |
| CUSTOM MOLDINGS | Company website | 1 |
| Cutter, Wire | Federal registry | 1 |
| Cuvette, Thermostated | Federal registry | 1 |
| Cyclosporine | Federal registry | 1 |
| Cystometer, Electrical Recording | Federal registry | 1 |
| Cytocentrifuge | Federal registry | 1 |
| Data Analytics | Company website | 1 |
| Dc-Defibrillator, Low-Energy, (Including Paddles) | Federal registry | 1 |
| detangling hair brush | Company website | 1 |
| Detergent | Federal registry | 1 |
| Device, Analysis, Anterior Segment | Federal registry | 1 |
| Device, Bleeding Time | Federal registry | 1 |
| Device, Communications, Images, Ophthalmic | Federal registry | 1 |
| Device, Digital Image Storage, Radiological | Federal registry | 1 |
| Device, Fixation, Tracheal Tube | Federal registry | 1 |
| Device, Gas Generating | Federal registry | 1 |
| Device, General Purpose, Hematology | Federal registry | 1 |
| Device, Hemostasis, Vascular | Federal registry | 1 |
| Device, Impotence, Mechanical/Hydraulic | Federal registry | 1 |
| Device, Incontinence, Mechanical/Hydraulic | Federal registry | 1 |
| Device, Intravascular Catheter Securement | Federal registry | 1 |
| Device, Neurovascular Embolization | Federal registry | 1 |
| Device, Percutaneous, Biopsy | Federal registry | 1 |
| Device To Detect And Measure Procalcitonin (Pct) In Human Clinical Specimens | Federal registry | 1 |
| Device, Vascular, For Promoting Embolization | Federal registry | 1 |
| Dialysate Concentrate For Hemodialysis (Liquid Or Powder) | Federal registry | 1 |
| Dialyzer, High Permeability With Or Without Sealed Dialysate System | Federal registry | 1 |
| Diaphragm | Company website | 1 |
| Diastase | Federal registry | 1 |
| Diazo (Colorimetric), Nitrite (Urinary, Non-Quant) | Federal registry | 1 |
| Differential Rate Kinetic Method, Cpk Or Isoenzymes | Federal registry | 1 |
| Digital Cervical Cytology Slide Imaging System With Artificial Intelligence Algorithm | Federal registry | 1 |
| Digital Visual Acuity Test | Federal registry | 1 |
| Dilator, Esophageal | Federal registry | 1 |
| Dilator, Esophageal, Ent | Federal registry | 1 |
| Dilator, Nasal | Federal registry | 1 |
| Dilator, Urethral, Mechanical | Federal registry | 1 |
| Dilator, Vaginal | Federal registry | 1 |
| Dilator, Vessel, Surgical | Federal registry | 1 |
| Dish, Tissue Culture | Federal registry | 1 |
| Drape, Microscope, Ophthalmic | Federal registry | 1 |
| Dressing, Compression | Federal registry | 1 |
| Dressing, Wound And Burn, Interactive | Federal registry | 1 |
| Dressing, Wound, Hydrophilic | Federal registry | 1 |
| Driver, Surgical, Pin | Federal registry | 1 |
| Dropper, Ent | Federal registry | 1 |
| Drug-Eluting Percutaneous Transluminal Coronary Angioplasty Catheter | Federal registry | 1 |
| Drug-Eluting Peripheral Transluminal Angioplasty Catheter | Federal registry | 1 |
