| Relationships | Role | Relationship Start | Relationship End |
| Comerica Incorporated | Parent | 9/14/1982 | 12/31/1989 |
| First Bank Corporation | Parent | 4/30/1976 | 9/13/1982 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Bank National Association | Buyer | 1,791,219 | Discontinued | 1/1/1990 |