| CMM INSPECTION | Company website | 1 |
| CNC Laser Cutting | Company website | 1 |
| CNC Lathe | Company website | 1 |
| Colorimetric Method, Lipoproteins | Federal registry | 1 |
| Communications | Company website | 1 |
| compactors | Company website | 1 |
| compression molding | Company website | 1 |
| Computerized Cognitive Assessment Aid | Federal registry | 1 |
| Container, Specimen, Non-Sterile | Federal registry | 1 |
| Conveyor | Company website | 1 |
| cooling towers | Company website | 1 |
| Coronavirus Antigen Detection Test System. | Federal registry | 1 |
| Covid-19 Multi-Analyte Antigen Device | Federal registry | 1 |
| Cranes | Company website | 1 |
| C-Reactive Protein, Antigen, Antiserum, And Control | Federal registry | 1 |
| Cresolphthalein Complexone, Calcium | Federal registry | 1 |
| crude oil distillation | Company website | 1 |
| Crystal Violet For Histology | Federal registry | 1 |
| Culture Media, Antimicrobial Susceptibility Test, Excluding Mueller Hinton Agar | Federal registry | 1 |
| Culture Media, Antimicrobial Susceptibility Test, Mueller Hinton Agar/Broth | Federal registry | 1 |
| Culture Media, Enriched | Federal registry | 1 |
| Culture Media, For Isolation Of Pathogenic Neisseria | Federal registry | 1 |
| Culture Media, General Nutrient Broth | Federal registry | 1 |
| Culture Media, Non-Selective And Non-Differential | Federal registry | 1 |
| Culture Media, Selective And Non-Differential | Federal registry | 1 |
| Culture Media, Single Biochemical Test | Federal registry | 1 |
| Culture Plate Imaging System For Qualitative Assessment Of Resistant Organisms | Federal registry | 1 |
| Custom Magnets | Company website | 1 |
| Defoamer, Cardiopulmonary Bypass | Federal registry | 1 |
| Device For Home Collection And Transport Of Vaginal Specimens By Lay Users For Use In An Approved Hpv Molecular Assay | Federal registry | 1 |
| Device, General Purpose, Microbiology, Diagnostic | Federal registry | 1 |
| Device, Hemostasis, Vascular | Federal registry | 1 |
| Device, Microtiter Diluting/Dispensing | Federal registry | 1 |
| Devices Detecting Influenza A, B, And C Virus Antigens | Federal registry | 1 |
| Device, Specimen Collection | Federal registry | 1 |
| Diazo Colorimetry, Bilirubin | Federal registry | 1 |
| Diazonium Colorimetry, Urobilinogen (Urinary, Non-Quant.) | Federal registry | 1 |
| Discs, Strips And Reagents, Microorganism Differentiation | Federal registry | 1 |
| Disinfectant, Medical Devices | Federal registry | 1 |
| Dispenser, Liquid Medication | Federal registry | 1 |
| Dna Probe, Gardnerella Vaginalis | Federal registry | 1 |
| Dna Probe, Nucleic Acid Amplification, Chlamydia | Federal registry | 1 |
| Dna Probe, Trichomonas Vaginalis | Federal registry | 1 |
| Dna Probe, Yeast | Federal registry | 1 |
| Dna-Reagents, Chlamydia | Federal registry | 1 |
| DOORS | Company website | 1 |
| Drape, Surgical, Exempt | Federal registry | 1 |
| Dressing, Wound, Drug | Federal registry | 1 |
| Dropper, Ent | Federal registry | 1 |
| eGift Card | Company website | 1 |