| Relationships | Role | Relationship Start | Relationship End |
| Second Western Corporation | Parent | 9/20/1980 | 5/4/1984 |
| First Western Corporation | Parent | 10/10/1975 | 9/19/1980 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Wyoming National Bank Casper West | Buyer | 18,386 | Failure | 5/7/1984 |