| Relationships | Role | Relationship Start | Relationship End |
| Chemical Financial Corporation | Parent | 6/23/1977 | 4/30/1992 |
| Currie-Todd Investments | Parent | 12/31/1970 | 10/22/1971 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Chemical Bank Michigan | Buyer | 262,738 | Discontinued | 5/1/1992 |