| Relationships | Role | Relationship Start | Relationship End |
| Second Security Corporation | Parent | 6/6/1980 | 5/20/1988 |
| Security Mortgage And Realty Company | Subsidary | 6/6/1980 | 5/20/1988 |
| Overstreet Corporation | Subsidary | 6/6/1980 | 5/20/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Deposit Guaranty National Bank | Buyer | 7,289,351 | Discontinued | 5/21/1988 |