| Relationships | Role | Relationship Start | Relationship End |
| Treibacher Schleifmettel Ag | Parent | 7/31/2000 | 8/31/2001 |
| Treibacher Scheifmittel (North America), Inc. | Subsidary | 7/31/2000 | 8/31/2001 |
| Relationships | Role | Relationship Start | Relationship End |
| Treibacher Schleifmettel Ag | Parent | 7/31/2000 | 8/31/2001 |
| Treibacher Scheifmittel (North America), Inc. | Subsidary | 7/31/2000 | 8/31/2001 |