| Corewell Health | Related tax-exempt org | Management | MI | 383382353 |
| Spectrum Health Hospitals | Related tax-exempt org | Healthcare | MI | 381360529 |
| Spectrum Health Primary Care Partners | Related tax-exempt org | Healthcare | MI | 381358164 |
| Corewell Health Foundation WEST Michigan | Related tax-exempt org | Philanthropy | MI | 382752328 |
| Spectrum Health Continuing Care | Related tax-exempt org | Rehab/care | MI | 383242232 |
| Spectrum Health Continuing Care Center | Related tax-exempt org | Rehab/NRS | MI | 382415333 |
| Spectrum Health Worth Services | Related tax-exempt org | Healthcare | MI | 382786617 |
| Visiting Nurse Services of Western Michigan | Related tax-exempt org | Healthcare | MI | 381359195 |
| Spectrum Health - Leffingwell Avenue | Related tax-exempt org | Rehab/care | MI | 854390483 |
| Priority Health | Related tax-exempt org | HMO | MI | 382715520 |
| Trinity Health Plans | Related tax-exempt org | HMO MGMT | MI | 382663747 |
| Priority Health Choice INC | Related tax-exempt org | HMO (medicaid) | MI | 320016523 |
| Spectrum Health Kelsey | Related tax-exempt org | Healthcare | MI | 381297435 |
| REED City Hospital Corporation | Related tax-exempt org | Healthcare | MI | 382770076 |
| Newaygo County General Hospital Association | Related tax-exempt org | Healthcare | MI | 381359517 |
| KENT Community Health Foundation | Related tax-exempt org | Philanthropy | MI | 383607110 |
| Zeeland Community Hospital | Related tax-exempt org | Healthcare | MI | 381411184 |
| Spectrum Health United | Related tax-exempt org | Healthcare | MI | 381358412 |
| Memorial Medical Center of WEST Michigan | Related tax-exempt org | Healthcare | MI | 381359266 |
| Mecosta County Medical Center | Related tax-exempt org | Healthcare | MI | 381368744 |
| Pennock Hospital | Related tax-exempt org | Healthcare | MI | 381360562 |
| Lakeshore AREA Radiation Oncology Center | Related tax-exempt org | Radiation services | MI | 383067954 |
| Lakeland Regional Health System INC | Related tax-exempt org | Provide a comprehensive system of health care to citizens of the community | MI | 382609624 |
| Lakeland Specialty Hospital at Berrien Center | Related tax-exempt org | Longterm healthcare/healing services | MI | 383452303 |
| Lakeland Health Foundation Benton Harborst Joseph | Related tax-exempt org | Promote and assist in providing health care | MI | 382539929 |