| Relationships | Role | Relationship Start | Relationship End |
| M&I Llc | Parent | 2/28/1988 | 9/30/1992 |
| Central Wisconsin Bankshares, Inc. | Parent | 10/1/1982 | 2/27/1988 |
| M&I Tri-County Investment Corporation | Subsidary | 7/1/1991 | 9/30/1992 |
| Greater Wisconsin Insurance Agency Inc | Subsidary | 12/23/1983 | 2/28/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| M&I Central Bank & Trust | Buyer | 223,514 | Discontinued | 10/1/1992 |