| Company | Timeline | Status | |
| George Ellison Limited Secretary • Unreported | 22 May 2008←17 Years→Current | Active | |
| Ellison Switchgear Solutions Limited Secretary • Unreported | 18 Jul 2006←19 Years→Current | Active | |
| George Ellison Switchgear Limited Secretary • Unreported | 27 Jun 2005←20 Years→Current | Active | |
| Dorford Electrical Limited Secretary • Electrical Fitter | 1 Jun 1999←26 Years→Current | Active | |
| Airocastle Limited Secretary • Electrical Fitter | 12 Jan 1999←26 Years→Current | Active | |
