- Milestone Healthcare
- MileStone Staffing Services
- Millennials
- Miller’s Health System
- Miller's Merry Manor
- Milliman
- Milrose National Trust LLC
- Milwaukee Journal Sentinel
- MIMA Healthcare
- Minnesota Board on Aging
- Minnesota Department of Health
- Minnesota Department of Veterans Affairs
- Minnesota Elder Justice Center
- Minnesota Hospital Association
- Minto Communities
- Mission Health
- Mission Health Communities
- Mission Point Healthcare Services
- Missouri Department of Health and Senior Services
- Missouri Slope