| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 7/1/1998 | 10/2/1998 |
| Firstbank Of Illinois Co. | Parent | 4/25/1994 | 6/30/1998 |
| Colonial Bank | Subsidary | 12/31/1992 | 6/30/1998 |
| Guido Insurance Agency | Subsidary | 8/24/1984 | 12/31/1994 |
| Minuteman Properties, Inc. | Subsidary | 1/1/1990 | 8/31/1994 |
| The Village Bank Of St. Louis County | Subsidary | 10/10/1989 | 1/28/1994 |
| Colonial Bank | Subsidary | 9/15/1982 | 12/30/1992 |
| The Village Bank Of St. Louis County | Subsidary | 12/31/1987 | 10/9/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Confluence Bancshares Corporatiion | Seller | Discontinued | 11/30/1995 | ||
| Guido Insurance Agency | Seller | Discontinued | 1/1/1995 | ||
| Minuteman Properties, Inc. | Seller | Discontinued | 9/1/1994 |