| Relationships | Role | Relationship Start | Relationship End |
| Chemical Financial Corporation | Parent | 4/30/1988 | 12/31/2000 |
| Big Rapids Investment Company | Parent | 12/31/1970 | 3/17/1979 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Chemical Bank West | Buyer | 914,347 | Pooling of Interests | Discontinued | 1/1/2001 |
| Stanwood State Savings Bank | Seller | Discontinued | 10/1/1965 |