| Relationships | Role | Relationship Start | Relationship End |
| Wienerberger Baustoffindustrie Ag | Parent | 12/31/1993 | 6/6/1997 |
| Wienerberger Ziegelindustrie Ag | Subsidary | 12/31/1993 | 6/6/1997 |
| Relationships | Role | Relationship Start | Relationship End |
| Wienerberger Baustoffindustrie Ag | Parent | 12/31/1993 | 6/6/1997 |
| Wienerberger Ziegelindustrie Ag | Subsidary | 12/31/1993 | 6/6/1997 |