| Relationships | Role | Relationship Start | Relationship End |
| American Treibacher Corporation | Parent | 8/27/1993 | 6/6/1997 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Treibacher (Usa) Corporation | Seller | Discontinued | 8/27/1993 | ||
| General Abrasive Treibacher Inc. | Seller | Discontinued | 8/27/1993 |