| Company | Timeline | Status | |
| Balfour Beatty Rail Track Systems Limited Director • Unreported  | 17 Jun 2011←1 Year 6 Months→1 Jan 2013  | Active  | |
| Balfour Beatty Rail Residuary Limited Director • Solicitor  | 17 Jun 2011←1 Year 6 Months→1 Jan 2013  | Active  | |
Dean & Dyball Rail Limited Director • Director  | 8 Jun 2010←2 Years 6 Months→1 Jan 2013  | Dissolved  | |
Network Plant (Midlands) Limited Director • Company Solicitor  | 17 Dec 2007←5 Years→1 Jan 2013  | Dissolved  | |
Network Plant Limited Director • Company Solicitor  | 17 Dec 2007←5 Years→1 Jan 2013  | Dissolved  | |
| Laser Rail Ltd Secretary • Unreported  | 19 Sep 2007←5 Years→1 Jan 2013  | Active  | |
| Alstom Product And Services Limited Director • Solicitor  | 12 Jul 2007←3 Months→31 Oct 2007  | Active  | |
| Edgar Allen Engineering Limited Director • Director  | 30 Mar 2006←6 Years→1 Jan 2013  | Liquidation  | |
| Edgar Allen Engineering Limited Secretary • Company Secretary  | 30 Mar 2006←6 Years→1 Jan 2013  | Liquidation  | |
| Balfour Beatty Rail Residuary Limited Secretary • Company Secretary  | 30 Mar 2006←6 Years→1 Jan 2013  | Active  | |
