| Relationships | Role | Relationship Start | Relationship End |
| Guaranty Bancorporation | Parent | 2/28/1981 | 5/14/1993 |
| Guaranty Bancorporation | Parent | 11/16/1975 | 2/27/1981 |
| Interbank Services, Inc. | Subsidary | 4/1/1984 | 5/14/1993 |
| Guaranty Bank Business Trust | Subsidary | 1/1/1978 | 4/15/1993 |
| Guaranty Building Corporation | Subsidary | 11/16/1975 | 2/27/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Boatmen's National Bank Of Oklahoma | Buyer | 4,092,924 | Discontinued | 5/15/1993 |