- R.I. Alliance for Better Long-Term Care
- RadioIowa
- RAND Center for the Study of Aging
- RAND Corporation
- Raydiant Health Care
- Raymond James
- RBC Capital Markets
- RCA Healthcare Management
- RCA Management
- Real Capital Analytics
- Real Time Medical Services
- Real Time Medical Systems
- REBusinessOnline
- REBusinessOnline.com
- Recover-Care Healthcare
- Recovery Centers of America
- Recruitment
- RED Capital
- RED Capital Group
- RED Mortgage Capital