| Relationships | Role | Relationship Start | Relationship End |
| International Mul-T-Lock B.V. | Parent | 12/27/1990 | 12/30/1991 |
| Mul-T-Lock Ltd. | Parent | 2/15/1990 | 12/26/1990 |
| Relationships | Role | Relationship Start | Relationship End |
| International Mul-T-Lock B.V. | Parent | 12/27/1990 | 12/30/1991 |
| Mul-T-Lock Ltd. | Parent | 2/15/1990 | 12/26/1990 |