| Relationships | Role | Relationship Start | Relationship End |
| Commercial Landmark Corporation | Parent | 6/1/1984 | 9/17/1993 |
| Commercial Bancshares, Inc. | Parent | 12/31/1982 | 5/31/1984 |
| Commercial Bancshares, Inc. | Parent | 8/19/1981 | 12/30/1982 |
| Boston Holdings, Ltd | Subsidary | 11/16/1988 | 9/17/1993 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's National Bank Of Oklahoma | Buyer | 4,092,924 | Discontinued | 9/18/1993 |