| Relationships | Role | Relationship Start | Relationship End |
| Zions Bancorporation | Parent | 6/8/1971 | 12/30/1991 |
| Zions Utah Bancorporation | Parent | 12/31/1970 | 6/7/1971 |
| Lockhart Company, Colorado Springs | Subsidary | 12/31/1970 | 12/30/1991 |
| Zions Leasing Company | Subsidary | 12/31/1970 | 4/29/1987 |
| Thomas Knight Financial Services | Subsidary | 5/21/1973 | 4/29/1987 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Thomas Knight Financial Services | Seller | Discontinued | 4/30/1987 |