- miEMR
- Migration Policy Institute
- Milliman
- Mindfulness Matters
- Minidoka Memorial Hospice
- Minnesota Oncology
- Minorities for Medical Marijuana
- Miracle City Hospice
- Mission Healthcare
- Mission Hospice & Home Care
- Missoula Demonstration Project
- Missouri Home Hospice
- Mitchell Family Office
- Mitchell Hamline School of Law
- Mitchell House
- MJHS Health System
- MJHS Hospice and Home Care
- MJHS Hospice and Palliative Care
- Modern Healthcare
- Moderna