| Relationships | Role | Relationship Start | Relationship End |
| Bancfirst Corporation | Parent | 10/1/1998 | 11/12/1998 |
| Amquest Financial Corp. | Parent | 8/2/1989 | 9/30/1998 |
| Amquest Financial Corp. | Parent | 1/26/1989 | 8/1/1989 |
| Amquest Financial Corp. | Parent | 9/9/1988 | 1/25/1989 |
| Amquest Financial Corp. | Parent | 4/27/1988 | 9/8/1988 |
| Amquest Financial Corp. | Parent | 2/18/1988 | 4/26/1988 |
| Amquest Financial Corp. | Parent | 4/8/1987 | 2/17/1988 |
| Amquest Financial Corp. | Parent | 12/29/1986 | 4/7/1987 |
| Amquest Financial Corp. | Parent | 4/2/1984 | 12/28/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bancfirst | Buyer | 6,769,841 | Pooling of Interests | Discontinued | 11/13/1998 |
| Cache Road Branch | Seller | Acquisition | Discontinued | 4/25/1997 | |
| American National Bank Of Duncan | Seller | 43,367 | Pooling of Interests | Discontinued | 10/2/1995 |
| The Security National Bank & Trust Co. Of Duncan | Seller | 171,185 | Pooling of Interests | Discontinued | 4/1/1995 |