| Michigan Bone & Joint-Oakwood Southshore Medical Center PLLC | Disregarded entity | Ambulatory Medical Services | MI | 383582590 |
| Midwest Surgery Center | Disregarded entity | Ambulatory Medical Services | MI | 453771730 |
| Neuroscience LLC | Disregarded entity | Ambulatory Medical Services | MI | 383532220 |
| Oakwood Medical Practices PLLC | Disregarded entity | Ambulatory Medical Services | MI | 320072212 |
| Oakwood Group VIII LLC | Disregarded entity | Ambulatory Medical Services | MI | 300326803 |
| Oakwood Group VII LLC | Disregarded entity | Ambulatory Medical Services | MI | 300326800 |
| Oakwood Healthcare Group III LLC | Disregarded entity | Ambulatory Medical Services | MI | 383513234 |
| Oakwood Youth Programs LLC | Disregarded entity | Ambulatory Medical Services | MI | 383532225 |
| Oakwood Group IX LLC | Disregarded entity | Ambulatory Medical Services | MI | 383593302 |
| Oakwood Ambulatory LLC | Disregarded entity | Ambulatory Medical Services | MI | 383593303 |
| Oakwood Teen Centers LLC | Disregarded entity | Ambulatory Medical Services | MI | 383513233 |
| Oakwood Professional Billing LLC | Disregarded entity | Ambulatory Medical Services | MI | 383532227 |
| Oakwood Healthcare Group I LLC | Disregarded entity | Ambulatory Medical Services | MI | 383513232 |
| Oakwood Infusion Services LLC | Disregarded entity | Home Infusion Services | MI | 311552387 |
| Oakwood Southshore Surgery Center | Disregarded entity | Outpatient Surgery Center | MI | 141839341 |
| Oakwood Group X LLC | Disregarded entity | ambulatory Medical Services | MI | 801338329 |
| Dearborn Real Estate Development LLC | Disregarded entity | Real Estate - Medical Facility | MI | 801206830 |
| Southshore Real Estate Development LLC | Disregarded entity | Real Estate - Medical Facility | MI | 801206958 |
| Beaumont Health | Related tax-exempt org | Parent Company of the Health System | MI | 465718220 |
| Beaumont Medical Transportation Service | Related tax-exempt org | Medical Transportation Services | MI | 260203703 |
| Botsford Continuing Care Corporation | Related tax-exempt org | Long Term Nursing Care | MI | 382549505 |
| Botsford General Hospital | Related tax-exempt org | Hospital | MI | 381426919 |
| Community Emergency Medical Service Inc | Related tax-exempt org | Emergency Medical Services | MI | 382410823 |
| Michigan Mobile PET Imaging | Related tax-exempt org | Mobile PET Scanning | MI | 331086165 |
| Oakwood United Hospitals Inc | Related tax-exempt org | Facility Leasing | MI | 382837961 |