| ACHC | Acadia Healthcare |
| ADUS | Addus HomeCare |
| AMED | Amedisys |
| CCRN | Cross Country Healthcare |
| CYH | Community Health Systems |
| DVA | DaVita |
| EHC | Encompass Health |
| ENSG | Ensign Group |
| FMS | Fresenius Medical Care AG & Co. KGaA |
| SGRY | Surgery Partners |
| THC | Tenet Healthcare |
| UHS | Universal Health Services |
| USPH | U.S. Physical Therapy |