| ACHC | Acadia Healthcare Company |
| ADUS | Addus HomeCare |
| DVA | DaVita |
| EHAB | Enhabit |
| EHC | Encompass Health |
| ENSG | Ensign Group |
| HCA | HCA Healthcare |
| INNV | InnovAge |
| PNTG | Pennant Group |
| SEM | Select Medical |
| SGRY | Surgery Partners |
| THC | Tenet Healthcare |
| UHS | Universal Health Services |
| USPH | U.S. Physical Therapy |