| Relationships | Role | Relationship Start | Relationship End |
| Commercial Bancorporation Of Colorado | Parent | 3/15/1985 | 3/24/1994 |
| Custer Bancorp. | Parent | 10/1/1983 | 3/14/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Keybank National Association | Buyer | 1,359,856 | Discontinued | 3/25/1994 |