| Relationships | Role | Relationship Start | Relationship End |
| Lexco Petroleum, Inc. | Parent | 8/8/1986 | 12/11/1992 |
| First National Corporation Of El Reno, Inc. | Parent | 10/2/1974 | 8/7/1986 |
| Relationships | Role | Relationship Start | Relationship End |
| Lexco Petroleum, Inc. | Parent | 8/8/1986 | 12/11/1992 |
| First National Corporation Of El Reno, Inc. | Parent | 10/2/1974 | 8/7/1986 |