| Medtek Lighting CorporationMostly Lights, Cables and Therapy Devices.1 category | Mostly Lights, Cables and Therapy Devices. | 2 | 1 |
| Medtronic Vascular, Inc.Mostly Orthopedic and Spinal Implants, and Vascular Catheters, Stents and Surgical Mesh.2 categories | Mostly Orthopedic and Spinal Implants, and Vascular Catheters, Stents and Surgical Mesh. | 2 | 2 |
| Megin OyMostly Nerve Stimulation and Hearing.1 category | Mostly Nerve Stimulation and Hearing. | 2 | 1 |
| Melzi CorporationMostly Radiology Supplies.1 category | Mostly Radiology Supplies. | 2 | 1 |
| Menicon Co.,ltd.Mostly Eye Care.1 category | Mostly Eye Care. | 2 | 1 |
| Mequ A/SMostly Lights, Cables and Therapy Devices.1 category | Mostly Lights, Cables and Therapy Devices. | 2 | 1 |
| Mergers Marketing, Inc.Mostly Drug, Molecular and Microbiology Tests.1 category | Mostly Drug, Molecular and Microbiology Tests. | 2 | 1 |
| Mespere LifeSciences IncMostly Patient Monitoring and Glucose Meters.1 category | Mostly Patient Monitoring and Glucose Meters. | 2 | 1 |
| Meta Technologies SRLMostly Surgical Hand Instruments.1 category | Mostly Surgical Hand Instruments. | 2 | 1 |
| Method Mobility, Inc.Mostly Wheelchairs, Seating and Commodes.1 category | Mostly Wheelchairs, Seating and Commodes. | 2 | 1 |
| Micro Distributing, L.cMostly Drug, Molecular and Microbiology Tests.1 category | Mostly Drug, Molecular and Microbiology Tests. | 2 | 1 |
| Micro Typing Systems, IncMostly Drug, Molecular and Microbiology Tests, and Histology and Blood Processing.2 categories | Mostly Drug, Molecular and Microbiology Tests, and Histology and Blood Processing. | 2 | 2 |
| Microbase Technology Corp.Mostly Respiratory and Oxygen Equipment.1 category | Mostly Respiratory and Oxygen Equipment. | 2 | 1 |
| Micromar Indústria e Comércio LtdaMostly Lights, Cables and Therapy Devices.1 category | Mostly Lights, Cables and Therapy Devices. | 2 | 1 |
| Microspecialities, Inc.Mostly Catheters, Drains and Feeding Tubes, and Eye Care.2 categories | Mostly Catheters, Drains and Feeding Tubes, and Eye Care. | 2 | 2 |
| Microtek Medical LLCMostly Drapes, Gloves and Bandages.1 category | Mostly Drapes, Gloves and Bandages. | 2 | 1 |
| Midwest Eye Laboratories Sioux Falls, LLCMostly Eye Care.1 category | Mostly Eye Care. | 2 | 1 |
| Mind Body Naturopathic InstMostly Catheters, Drains and Feeding Tubes.1 category | Mostly Catheters, Drains and Feeding Tubes. | 2 | 1 |
| Mindset Medical Inc.Mostly Patient Monitoring and Glucose Meters.1 category | Mostly Patient Monitoring and Glucose Meters. | 2 | 1 |
| Mindways Software, Inc.Mostly Imaging, Cameras and Lab Instruments.1 category | Mostly Imaging, Cameras and Lab Instruments. | 2 | 1 |
| Minxray, Inc.Mostly Radiology Supplies.1 category | Mostly Radiology Supplies. | 2 | 1 |
| Miradry, Inc.Mostly Lights, Cables and Therapy Devices.1 category | Mostly Lights, Cables and Therapy Devices. | 2 | 1 |
| Mitaya Manufacturing Co., Ltd.Mostly Radiology Supplies.1 category | Mostly Radiology Supplies. | 2 | 1 |
| Mkl Diagnostics ABMostly Drug, Molecular and Microbiology Tests.1 category | Mostly Drug, Molecular and Microbiology Tests. | 2 | 1 |
| Mobius Bionics LLCMostly Orthopedic and Spinal Implants.1 category | Mostly Orthopedic and Spinal Implants. | 2 | 1 |