| Relationships | Role | Relationship Start | Relationship End |
| Electrocom Automation L.P. | Parent | 12/31/1993 | 12/31/1996 |
| Electrocom Service Corporation | Parent | 12/31/1993 | 12/31/1996 |
| Relationships | Role | Relationship Start | Relationship End |
| Electrocom Automation L.P. | Parent | 12/31/1993 | 12/31/1996 |
| Electrocom Service Corporation | Parent | 12/31/1993 | 12/31/1996 |