| Relationships | Role | Relationship Start | Relationship End |
| Wirtz Corporation | Parent | 6/30/1979 | 3/27/1981 |
| Wirtz Corporation | Parent | 12/31/1975 | 6/29/1979 |
| Wirtz Corporation | Parent | 2/8/1972 | 12/30/1975 |
| Linda Inc | Subsidary | 7/1/1978 | 3/27/1981 |
| Relationships | Role | Relationship Start | Relationship End |
| Wirtz Corporation | Parent | 6/30/1979 | 3/27/1981 |
| Wirtz Corporation | Parent | 12/31/1975 | 6/29/1979 |
| Wirtz Corporation | Parent | 2/8/1972 | 12/30/1975 |
| Linda Inc | Subsidary | 7/1/1978 | 3/27/1981 |