| Relationships | Role | Relationship Start | Relationship End |
| Bank Of Oklahoma, Oklahoma City, National Association | Parent | 8/11/1976 | 7/9/1983 |
| First Oklahoma Bancorporation, Inc. | Parent | 1/1/1982 | 7/9/1983 |
| The First National Bank And Trust Company Of Oklahoma City | Parent | 8/11/1976 | 12/31/1981 |