| Mucicarmine | Federal registry | 1 |
| Muller'S Colloidal Iron | Federal registry | 1 |
| Multi-Analyte Controls, All Kinds (Assayed) | Federal registry | 1 |
| Multi-Analyte Controls Unassayed | Federal registry | 1 |
| Multiplex Nucleic Acid Detection System For Biothreat Agents | Federal registry | 1 |
| Needle, Catheter | Federal registry | 1 |
| Neuropsychiatric Interpretative Electroencephalograph Assessment Aid | Federal registry | 1 |
| Neurosurgical Nerve Locator | Federal registry | 1 |
| Nuclear Fast Red | Federal registry | 1 |
| Nucleic Acid Amplification Assay System, Group B Streptococcus, Direct Specimen Test | Federal registry | 1 |
| Nucleic Acid Detection System For Non-Viral Microorganism(S) Causing Sexually Transmitted Infections | Federal registry | 1 |
| Ophthalmic Femtosecond Laser | Federal registry | 1 |
| Orcein | Federal registry | 1 |
| Orthodontic Software | Federal registry | 1 |
| Orthopedic Manual Surgical Instrument | Federal registry | 1 |
| Orthopedic Stereotaxic Instrument | Federal registry | 1 |
| Other Industries | Company website | 1 |
| Oximeter | Federal registry | 1 |
| Oximeter, Infrared, Sporting, Aviation | Federal registry | 1 |
| Pack, Hot Or Cold, Water Circulating | Federal registry | 1 |
| Percutaneous Catheter, Ultrasound | Federal registry | 1 |
| Peripherals | Company website | 1 |
| Peroxidase Anti-Peroxidase Immunohistochemical Stain | Federal registry | 1 |
| Pick, Massaging | Federal registry | 1 |
| Powered Light Based Non-Laser Surgical Instrument With Thermal Effect | Federal registry | 1 |
| Power Supplies | Company website | 1 |
| Probe Stations | Company website | 1 |
| probe systems | Company website | 1 |
| Products A-Z | Company website | 1 |
| Project Management | Company website | 1 |
| Projector, Ophthalmic | Federal registry | 1 |
| Prostate-Specific Antigen (Psa) For Management Of Prostate Cancers | Federal registry | 1 |
| PROTOTYPE TO PRODUCTION | Company website | 1 |
| Radioimmunoassay, Follicle-Stimulating Hormone | Federal registry | 1 |
| Radioimmunoassay, Luteinizing Hormone | Federal registry | 1 |
| Radioimmunoassay, Prolactin (Lactogen) | Federal registry | 1 |
| Radioimmunoassay, Testosterones And Dihydrotestosterone | Federal registry | 1 |
| Radioimmunoassay, Thyroid-Stimulating Hormone | Federal registry | 1 |
| Radioimmunoassay, Total Triiodothyronine | Federal registry | 1 |
| Radioimmunoassay, Tricyclic Antidepressant Drugs | Federal registry | 1 |
| Radiology-Diagnostic Kit | Federal registry | 1 |
| Radios | Company website | 1 |
| Reagent, Coronavirus Serological | Federal registry | 1 |
| Reagent, Occult Blood | Federal registry | 1 |
| Reagents, 2019-Novel Coronavirus Nucleic Acid | Federal registry | 1 |
| Reagent, Schiff | Federal registry | 1 |
| Reagents, Clostridium Difficile Toxin | Federal registry | 1 |
| Reagents, Monkeypox Virus Nucleic Acid. | Federal registry | 1 |
| Reduced- Montage Standard Electroencephalograph | Federal registry | 1 |
| Replacement, Ossicular Prosthesis, Total | Federal registry | 1 |
