| Material, Tooth Shade, Resin | Federal registry | 1 |
| Mechanical Seals | Company website | 1 |
| Mediastinoscope, Surgical | 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, For Stress Urinary Incontinence, Male | 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, Synthetic, Urogynecologic, For Pelvic Organ Prolapse, Transvaginally Placed | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Female, Mini-Sling | Federal registry | 1 |
| Mesh, Surgical, Synthetic, Urogynecologic, For Stress Urinary Incontinence, Retropubic Or Transobturator | Federal registry | 1 |
| Metallic Gaskets | Company website | 1 |
| Meter, Airway Pressure (Inspiratory Force) | Federal registry | 1 |
| Meter, Peak Flow, Spirometry | Federal registry | 1 |
| meters | Company website | 1 |
| Micro Pipette | Federal registry | 1 |
| Microscope, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Microtools, Assisted Reproduction (Pipettes) | Federal registry | 1 |
| Microtools, Assisted Reproduction (Pipettes), Exempt | Federal registry | 1 |
| mill products | Company website | 1 |
| Mirror, Mouth | Federal registry | 1 |
| Mission Systems | Company website | 1 |
| Mixer, Cement, For Clinical Use | Federal registry | 1 |
| Mobilizer, Ent | Federal registry | 1 |
| Monitor, Airway Pressure (Includes Gauge And/Or Alarm) | Federal registry | 1 |
| Monitor, Carbon-Dioxide, Cutaneous | Federal registry | 1 |
| Monitor, Cardiac (Incl. Cardiotachometer & Rate Alarm) | Federal registry | 1 |
| Monitor, Oxygen, Cutaneous, For Infant Not Under Gas Anesthesia | Federal registry | 1 |
| Monitor, Oxygen, Cutaneous, For Uses Other Than For Infant Not Under Gas Anesthesia | Federal registry | 1 |
| Monitor, St Segment | Federal registry | 1 |
| Monitor, St Segment With Alarm | Federal registry | 1 |
| Monitor, Uterine Contraction, External (For Use In Clinic) | Federal registry | 1 |
| Motor, Drill, Electric | Federal registry | 1 |
| Motor, Drill, Pneumatic | Federal registry | 1 |
| motors | Company website | 1 |
| Motor, Surgical Instrument, Ac-Powered | Federal registry | 1 |
| Motor, Surgical Instrument, Pneumatic Powered | Federal registry | 1 |
| Mouthpiece, Saliva Ejector | Federal registry | 1 |
| M-Series | Company website | 1 |
| nameplates | Company website | 1 |
| Nasal Spray, Ent Delivery | Federal registry | 1 |
| Nebulizer, Medicinal, Non-Ventilatory (Atomizer) | Federal registry | 1 |
| Needle, Catheter | Federal registry | 1 |
| Needle, Conduction, Anesthetic (W/Wo Introducer) | Federal registry | 1 |
| Needle, Gastro-Urology | Federal registry | 1 |
| Needle, Hypodermic, Single Lumen | Federal registry | 1 |
