| Relationships | Role | Relationship Start | Relationship End |
| Thurman State Corporation | Parent | 4/26/1982 | 8/7/2000 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Great Western Bank | Buyer | 672,858 | Pooling of Interests | Discontinued | 8/8/2000 |
| American National Bank | Seller | 17,624 | Discontinued | 3/2/1992 |