| Relationships | Role | Relationship Start | Relationship End |
| Discount Investment Corporation Ltd. | Parent | 12/31/1984 | 12/30/1987 |
| Discount Investment Corporation Ltd. | Parent | 8/23/1983 | 12/30/1984 |
| A.H.P. Systems, Inc. | Subsidary | 8/23/1983 | 12/30/1987 |
| Relationships | Role | Relationship Start | Relationship End |
| Discount Investment Corporation Ltd. | Parent | 12/31/1984 | 12/30/1987 |
| Discount Investment Corporation Ltd. | Parent | 8/23/1983 | 12/30/1984 |
| A.H.P. Systems, Inc. | Subsidary | 8/23/1983 | 12/30/1987 |