| Relationships | Role | Relationship Start | Relationship End |
| M&I Llc | Parent | 4/1/1987 | 1/31/2002 |
| M&I Marshall And Ilsley Bank | Parent | 12/31/1985 | 3/31/1987 |
| M&I Llc | Parent | 7/10/1985 | 12/30/1985 |
| Heritage Wisconsin Corporation | Parent | 10/26/1973 | 7/9/1985 |
| M&I Wisconsin Investment Corporation | Subsidary | 4/1/1995 | 9/16/1997 |
| Beloit Trailer Sales | Subsidary | 1/1/1987 | 12/31/1991 |
| Fine Arts Checks Incorporated | Subsidary | 1/1/1987 | 12/31/1991 |
| P. Johnson Home Builders | Subsidary | 1/1/1987 | 12/31/1991 |
| Rhinelander Telephone Company | Subsidary | 1/1/1987 | 12/31/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Marshall & Ilsley Tc Na Branch | Buyer | Pooling of Interests | Discontinued | 2/1/2002 | |
| Valley Trust Company | Seller | Discontinued | 6/2/1994 | ||
| Wisconsin Valley Trust Company | Seller | Discontinued | 5/1/1988 |