| Relationships | Role | Relationship Start | Relationship End |
| Bank One Corporation | Parent | 2/28/1998 | 8/31/2001 |
| 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 | 12/1/1971 | 7/16/1984 |
| Liberty Mortgage Company | Subsidary | 12/21/1971 | 12/30/1986 |
| Mid-America Leasing Corporation | Subsidary | 12/31/1976 | 10/24/1985 |
| Liberty Real Estate Company | Subsidary | 12/21/1971 | 6/30/1982 |