| Relationships | Role | Relationship Start | Relationship End |
| First Security Corporation | Parent | 8/31/1975 | 6/29/1986 |
| Intermountain Insurance Agency, Inc. | Subsidary | 8/31/1975 | 6/29/1986 |
| Simco Industrial Mortgage Company | Subsidary | 8/31/1975 | 6/29/1986 |
| Inland Homes, Inc. | Subsidary | 8/31/1975 | 6/29/1986 |
| First Security Mortgage Company | Subsidary | 8/31/1975 | 6/29/1986 |