| Relationships | Role | Relationship Start | Relationship End |
| Southwestern Investment Co. | Parent | 3/31/1985 | 4/5/1988 |
| Southwestern Investment Co. | Parent | 12/31/1970 | 3/30/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Prairie Sun Bank | Buyer | 32,114 | Discontinued | 4/6/1988 |