- Selby General Hospital Campus
- Select Specialty Hospital - Akron
- Select Specialty Hospital - Boardman
- Select Specialty Hospital - Canton
- Select Specialty Hospital - Cincinnati
- Select Specialty Hospital - Cincinnati North
- Select Specialty Hospital - Cleveland Fairhill
- Select Specialty Hospital - Columbus
- Select Specialty Hospital - Columbus South
- Select Specialty Hospital - Southeast Ohio
- Select Specialty Hospital - Wheeling
- Select Specialty Hospital - Youngstown
- Shriners Childrens Ohio
- Soin Medical Center - Kettering Health
- Sojourn at Seneca
- Southern Ohio Medical Center
- South Pointe Hospital
- Southwest General Health Center
- Specialty Hospital of Lorain
- Summa Health Behavioral Health Institute
- Summa Health System - Akron Campus
- Summa Health System - Barberton Campus
- Summa Rehab Hospital
- Summit Behavioral Healthcare Hospital
- SUN Behavioral Columbus
- Sunrise Vista Behavioral Health Hospital
- Surgical Hospital at Southwoods
- The Christ Hospital
- The Christ Hospital Medical Center - Liberty Township
- The James Cancer Hospital and Solove Research Institute