| | | | | | | | |
| Subsidiary Name | | Jurisdiction of Organization / Incorporation |
| Adient Alaska, LLC | | Delaware |
| Advanced Physical Therapy, LLC | | Indiana |
| Apple Physical Therapy, LLC | | Washington |
| Athletic & Therapeutic Institute of Bolingbrook, LLC | | Illinois |
| Athletic & Therapeutic Institute of Bourbonnais, LLC | | Illinois |
| Athletic & Therapeutic Institute of Milwaukee, LLC | | Illinois |
| Athletic & Therapeutic Institute of Naperville, LLC | | Illinois |
| ATI Holdings Acquisition, Inc. | | Delaware |
| ATI Holdings Missouri, LLC | | Delaware |
| ATI Holdings of Alabama, LLC | | Alabama |
| ATI Holdings of Arizona, LLC | | Delaware |
| ATI Holdings, Inc. | | Delaware |
| ATI Holdings, LLC | | Illinois |
| Community Rehab of Iowa, LLC | | Iowa |
| Community Rehab, LLC | | Nebraska |
| Erhardt Physical Therapy and Sport Medicine, LLC | | Oregon |
| Greenville Proaxis Therapy, LLC | | South Carolina |
| Ideal Physical Therapy of Texas, LLC | | Arizona |
| MCM Rehabilitation, LLC | | Tennessee |
| McMinnville Physical Therapy & Sports Medicine, LLC | | Oregon |
| Michigan Rehabilitation Specialists of Fowlerville, LLC | | Michigan |
| New Century Rehabilitation, LLC | | Nevada |
| Ohio Centers for Hand and Physical Rehabilitation, LLC | | Illinois |
| Performance Rehabilitation of Western New England, LLC | | Massachusetts |
| Physical Therapy at Dawn, LLC | | New Mexico |
| Proaxis Greenville, LLC | | South Carolina |
| Proaxis Therapy NC, LLC | | South Carolina |
| Proaxis Therapy SC, LLC | | South Carolina |
| Proaxis Therapy, LLC | | Delaware |
| Quantum Physical Therapy Centers - Ypsilanti LLC | | Michigan |
| RSFH-ATI Physical Therapy, LLC | | Delaware |
| THI of Nevada at Desert Valley Therapy, LLC | | Delaware |
| Touchstone Holdco LLC | | Delaware |
| Wilco Holdco, Inc. | | Delaware |
| Wilco Intermediate Holdings, Inc. | | Delaware |
| Willamette Spine Center Physical Therapy and Rehabilitation, LLC | | Oregon |
