| Relationships | Role | Relationship Start | Relationship End |
| The First National Bank And Trust Company Of Oklahoma City | Parent | 12/31/1984 | 7/14/1986 |
| Fnb Industrial Company, Inc. | Parent | 12/31/1982 | 12/30/1984 |
| First Oklahoma Bancorporation, Inc. | Parent | 9/1/1981 | 12/30/1982 |
| Fnb Leasing Company, Inc. | Parent | 7/31/1979 | 8/31/1981 |