| Relationships | Role | Relationship Start | Relationship End |
| Bancfirst Corporation | Parent | 12/1/1987 | 3/31/1989 |
| Arbuckle Bancorp, Inc. | Parent | 12/31/1981 | 11/30/1987 |
| Arbuckle Bancorp, Inc. | Parent | 12/31/1980 | 12/30/1981 |
| Sulphur Agency, Inc. | Subsidary | 6/28/1985 | 3/31/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bancfirst | Buyer | 6,769,841 | Discontinued | 4/1/1989 |