| Relationships | Role | Relationship Start | Relationship End |
| Century Bancorporation | Parent | 12/31/1983 | 3/24/1988 |
| Century Bancorporation | Parent | 12/31/1982 | 12/30/1983 |
| Century Bancorporation | Parent | 12/31/1981 | 12/30/1982 |
| Century Bancorporation | Parent | 12/31/1980 | 12/30/1981 |
| Century Bancorporation | Parent | 10/20/1978 | 12/30/1980 |
| Admiral Banksite, Inc. | Subsidary | 10/20/1978 | 7/31/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's National Bank Of Oklahoma | Buyer | 4,092,924 | Failure | 3/25/1988 |