- RTI International
- Rubicon Founders
- Rush University Medical Center
- Rutgers School of Nursing
- Rutgers University
- RutgersCenter for State Health Policy
- Rutigliano Marketing
- RVNA
- S&A Unified Home Care
- S&P 500
- S&P Capital IQ
- S&P Global Ratings
- Sabar Health
- Sabra
- Sabra Health Care REIT
- Sacramento Bee
- Sacred Health
- Sacred Heart Home Health Care
- Safe Care Cam
- SAFE HOMECARE