| Relationships | Role | Relationship Start | Relationship End |
| Mg Ne-Produkthandel Gmbh | Parent | 12/31/1991 | 11/8/1998 |
| Mg Ne-Produkthandel Gmbh | Parent | 12/31/1989 | 12/30/1991 |
| Mg Ne-Produkthandel Gmbh | Parent | 11/13/1989 | 12/30/1989 |
| Precision Coil Products Inc. | Subsidary | 12/31/1994 | 11/8/1998 |
| Precision Coil Products Inc. | Subsidary | 12/31/1991 | 12/30/1994 |