| Relationships | Role | Relationship Start | Relationship End |
| Michigan National Corporation | Parent | 11/6/1972 | 2/28/1987 |
| Universal Audit Services Inc | Subsidary | 12/31/1981 | 2/28/1987 |
| Mnb O Corporation | Subsidary | 12/31/1981 | 2/28/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Lasalle Bank Midwest National Association | Buyer | 37,562,880 | Discontinued | 3/1/1987 |