| Relationships | Role | Relationship Start | Relationship End |
| Boatmen's National Bank Of Oklahoma | Parent | 9/18/1993 | 6/29/1994 |
| Commercial Bank & Trust Co. Of Tulsa | Parent | 11/16/1988 | 9/17/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Quatro I, Inc. | Buyer | Discontinued | 6/30/1994 |