| Relationships | Role | Relationship Start | Relationship End |
| Mul-T-Lock Ltd. | Parent | 12/31/1987 | 12/1/1988 |
| Mul-T-Lock Ltd. | Parent | 3/31/1985 | 12/30/1987 |
| Mul-T-Lock Ltd. | Parent | 8/27/1983 | 3/30/1985 |
| Relationships | Role | Relationship Start | Relationship End |
| Mul-T-Lock Ltd. | Parent | 12/31/1987 | 12/1/1988 |
| Mul-T-Lock Ltd. | Parent | 3/31/1985 | 12/30/1987 |
| Mul-T-Lock Ltd. | Parent | 8/27/1983 | 3/30/1985 |