| SGRY | Surgery Partners |
| CCM | Concord Medical Services |
| EHAB | Enhabit |
| EHC | Encompass Health |
| SEM | Select Medical |
| ENSG | Ensign Group |
| INNV | InnovAge |
| PNTG | Pennant Group |
| UHS | Universal Health Services |
| ACHC | Acadia Healthcare Company |
| MODV | ModivCare |
| ADUS | Addus HomeCare |