| Company | Timeline | Status | |
| Siemens Energy Industrial Turbomachinery Limited Secretary • Unreported | 3 Nov 2006←1 Year 9 Months→26 Aug 2008 | Active | |
| Aumovio Holdings UK Limited Secretary • Unreported | 14 Jul 2004←3 Years→3 Dec 2007 | Active | |
| Aumovio UK Limited Secretary • Unreported | 14 Jul 2004←3 Years→3 Dec 2007 | Active | |
| Aumovio Trading UK Limited Secretary • Unreported | 19 Apr 2004←3 Years→3 Dec 2007 | Active | |
