| Relationships | Role | Relationship Start | Relationship End |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1980 | 6/30/1995 |
| Vsm-Abrasives Corporation | Subsidary | 12/31/1980 | 6/30/1995 |
| Relationships | Role | Relationship Start | Relationship End |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1980 | 6/30/1995 |
| Vsm-Abrasives Corporation | Subsidary | 12/31/1980 | 6/30/1995 |