| Relationships | Role | Relationship Start | Relationship End |
| First Oklahoma Bancorporation, Inc. | Parent | 12/31/1970 | 12/1/1975 |
| Oceanography International Corporation | Subsidary | 7/5/1972 | 12/31/1975 |
| Relationships | Role | Relationship Start | Relationship End |
| First Oklahoma Bancorporation, Inc. | Parent | 12/31/1970 | 12/1/1975 |
| Oceanography International Corporation | Subsidary | 7/5/1972 | 12/31/1975 |