| Relationships | Role | Relationship Start | Relationship End |
| Bank One Corporation | Parent | 2/28/1998 | 9/24/2002 |
| Banc One Oklahoma Corporation | Parent | 6/1/1997 | 2/27/1998 |
| Liberty Bancorp, Inc. | Parent | 7/17/1984 | 5/31/1997 |
| Liberty National Corporation | Parent | 10/10/1979 | 7/16/1984 |