| Aurora Health Care INC | Related tax-exempt org | Support services | WI | 391442285 |
| Aurora Health Care Foundation INC | Related tax-exempt org | Fundraising | WI | 396044569 |
| Kradwell School INC | Related tax-exempt org | School | WI | 261516765 |
| Aurora Family Service INC | Related tax-exempt org | Social services | WI | 390806174 |
| Aurora Medical Group INC | Related tax-exempt org | Physician services | WI | 391678306 |
| Aurora Health Care Metro INC | Related tax-exempt org | Hospital | WI | 390806181 |
| Aurora Health Care Central INC | Related tax-exempt org | Hospital | WI | 390930748 |
| Aurora Psychiatric Hospital INC | Related tax-exempt org | Hospital | WI | 390872192 |
| Aurora Health Care Southern Lakes INC | Related tax-exempt org | Hospital | WI | 390806347 |
| Aurora Medical Center of Oshkosh INC | Related tax-exempt org | Hospital | WI | 391027676 |
| WEST Allis Memorial Hospital INC | Related tax-exempt org | Hospital | WI | 391022464 |
| Aurora Medical Center Washington County INC | Related tax-exempt org | Hospital | WI | 391150165 |
| Aurora Advanced Healthcare INC | Related tax-exempt org | Physician services | WI | 391595302 |
| Aurora Health Care North INC | Related tax-exempt org | Hospital | WI | 391211629 |
| Visiting Nurse Association of Wisconsin INC | Related tax-exempt org | Home care services | WI | 390806180 |
| Aurora UW Academic Medical Group INC | Related tax-exempt org | Physician services | WI | 391136738 |
| Aurora Medical Center Grafton LLC | Related tax-exempt org | Hospital | WI | 272953799 |
| Aurora Health Care Medical Group INC | Related tax-exempt org | Physician services | WI | 474167075 |
| Advocate Aurora Health INC | Related tax-exempt org | Support services | DE | 824184596 |
| Aurora Medical Center BAY AREA INC | Related tax-exempt org | Hospital | WI | 391528430 |
| Baycare Aurora LLC | Related partnership | Hospital | WI | 391947472 |
| Wisconsin Surgery Center LLC | Related partnership | Surgical services | WI | 383661215 |
| Aurora GI ASC LLC | Related partnership | Physician services | WI | 461848055 |
| Aurora Health Care Ventures INC | Related taxable corporation/trust | For-profit parent company | WI | 391513129 |
| Aurora Health Network INC | Related taxable corporation/trust | Inactive | WI | 391817175 |