收购
最近的收购
| 年 | 收购的公司 |
| 2015 | 堪比Kempe 工程公司、Biomin公司、Kovit Engineering、Sinter Plant Services |
| 2014 | Republic Alternative Technologies, KALOGEO Anlagenbau GmbH |
| 2013 | Scanalyse |
| 2012 | Numcore, Demil Manutenção Industrial Ltda, TME Group, Backfill Specialists |
| 2011 | Kiln Services Australia, Energy Products of Idaho, VPF, ASH DEC Umvelt |
| 2010 | 拉罗克斯、Millteam、澳斯麦特、Edmeston |
| 2009 | |
| 2008 | Auburn Group |
| 2007 | Chena |