| Relationships | Role | Relationship Start | Relationship End |
| Portigon Ag | Parent | 12/31/1995 | 12/30/1998 |
| Portigon Ag | Parent | 7/3/1992 | 12/30/1995 |
| Vfa Verwaltungsgesellschaft Fur Autania-Altvermogen Mbh | Subsidary | 7/3/1992 | 12/30/1995 |
| Fritz Werner & Niles Werkzeugmaschinen Ag | Subsidary | 12/31/1993 | 12/30/1995 |
| Elb-Schliff Werkzeugmaschinen Gmbh | Subsidary | 7/3/1992 | 12/30/1994 |
| Pittler Maschinenfabrik Aktiengesellschaft | Subsidary | 7/3/1992 | 12/30/1993 |
| Fritz Werner & Niles Werkzeugmaschinen Ag | Subsidary | 7/3/1992 | 12/30/1993 |