| Relationships | Role | Relationship Start | Relationship End |
| Quad City Bank And Trust Company - Illinois | Parent | 8/26/2005 | |
| State Financial Services Corporation | Parent | 1/13/2005 | 8/25/2005 |
| First Business Bank | Parent | 12/29/2000 | 1/4/2005 |
| First Business Financial Services, Inc. | Parent | 1/13/1998 | 12/28/2000 |