| Load Cells | Company website | 1 |
| Loop, Wire | Federal registry | 1 |
| Magnifier, Hand-Held, Low-Vision | Federal registry | 1 |
| Mallet, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Marker, Ocular | Federal registry | 1 |
| Mask, Gas, Anesthetic | Federal registry | 1 |
| Mask, Oxygen, Low Concentration, Venturi | Federal registry | 1 |
| Mask, Scavenging | Federal registry | 1 |
| Massager, Powered Inflatable Tube | Federal registry | 1 |
| Mediastinoscope, Surgical | Federal registry | 1 |
| Medical Device Data System | Federal registry | 1 |
| medical gas | Company website | 1 |
| Mesh, Surgical | Federal registry | 1 |
| Mesh, Surgical, Collagen, Orthopaedics, Reinforcement Of Tendon | Federal registry | 1 |
| Mesh, Surgical, Collagen, Plastic And Reconstructive Surgery | Federal registry | 1 |
| Mesh, Surgical, Collagen, Staple Line Reinforcement | Federal registry | 1 |
| Mesh, Surgical, Collagen, Thoracic, Chest Wall Reconstruction | Federal registry | 1 |
| Mesh, Surgical, Metal | Federal registry | 1 |
| Mesh, Surgical, Non-Synthetic, Urogynecologic, For Apical Vaginal And Uterine Prolapse, Transabdominally Placed | Federal registry | 1 |
| Mesh, Surgical, Non-Synthetic, Urogynecologic, For Stress Urinary Incontinence, Retropubic Or Transobturator | Federal registry | 1 |
| Mesh, Surgical, Polymeric | Federal registry | 1 |
| Metallic Gaskets | Company website | 1 |
| meters | Company website | 1 |
| Micro Pipette | Federal registry | 1 |
| Mirror, Ent | Federal registry | 1 |
| Mirror, General & Plastic Surgery | Federal registry | 1 |
| Mixer, Breathing Gases, Anesthesia Inhalation | Federal registry | 1 |
| Mixer, Cement, For Clinical Use | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| motors | Company website | 1 |
| Mouthpiece, Breathing | Federal registry | 1 |
| Nasopharyngoscope (Flexible Or Rigid) | Federal registry | 1 |
| Needle, Aspiration And Injection, Disposable | Federal registry | 1 |
| Needle, Gastro-Urology | Federal registry | 1 |
| Needle, Neurosurgical Suture | Federal registry | 1 |
| Needle, Ophthalmic Suturing | Federal registry | 1 |
| Needle, Tonsil Suturing | Federal registry | 1 |
| Nipper, Malleus | Federal registry | 1 |
| noise control products | Company website | 1 |
| Nystagmograph | Federal registry | 1 |
| oil seals | Company website | 1 |
| Oral Wound Dressing | Federal registry | 1 |
| O-RINGS | Company website | 1 |
| Orthodontic Software | Federal registry | 1 |
| Orthosis, Cervical | Federal registry | 1 |
| Orthosis, Limb Brace | Federal registry | 1 |
| Orthosis, Lumbar | Federal registry | 1 |
| Orthosis, Lumbo-Sacral | Federal registry | 1 |
| Osteotome, Manual | Federal registry | 1 |
| Otoscope | Federal registry | 1 |
