| Relationships | Role | Relationship Start | Relationship End |
| Chemical Financial Corporation | Parent | 12/31/1979 | 12/31/2000 |
| Midland Investment Company | Parent | 12/31/1970 | 2/27/1972 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Chemical Bank | Buyer | 9,717,567 | Pooling of Interests | Discontinued | 1/1/2001 |
| Chemical Bank Gladwin County | Seller | 67,256 | Discontinued | 5/1/1992 | |
| State Bank Of Coleman | Seller | Discontinued | 7/1/1966 |