| Company | Timeline | Status | |
| Volkerstevin Limited Director • Director | 21 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerlaser Civil Engineering Limited Director • Company Director | 11 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerservices Limited Director • Company Director | 11 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerlaser Build Limited Director • Company Director | 11 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerlaser Ltd Director • Company Director | 11 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerlaser Holdings (UK) Limited Director • Company Director | 11 Nov 2005←3 Years→31 Dec 2008 | Active | |
| Volkerhighways Limited Director • Company Director | 1 Jan 2005←4 Years→31 Dec 2008 | Active | |
| Volkerfitzpatrick Limited Director • Director | 17 May 2004←4 Years→31 Dec 2008 | Active | |
| Volkerwessels Limited Director • Director | 17 May 2004←4 Years→31 Dec 2008 | Active | |
| Morgenwonen Limited Director • Director | 10 Jan 2003←5 Years→31 Dec 2008 | Active | |
