| Relationships | Role | Relationship Start | Relationship End |
| Commercial Security Bancorporation | Parent | 1/1/1975 | 2/27/1978 |
| Continental Thrift & Loan Company | Parent | 12/31/1970 | 12/31/1974 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Keybank National Association | Buyer | 1,441,795 | Discontinued | 2/28/1978 |