| Company | Timeline | Status | |
| RTD Products Limited Secretary • Unreported | 7 Mar 2006←6 Years→31 Dec 2012 | Dissolved | |
| Thermocouple Instruments Limited Secretary • Unreported | 7 Mar 2006←6 Years→31 Dec 2012 | Dissolved | |
| Cornelius Bros. (Engineers) Limited Secretary • Unreported | 7 Mar 2006←6 Years→31 Dec 2012 | Dissolved | |
| Sydney Smith Dennis Limited Secretary • Unreported | 2 Jul 1998←14 Years→31 Dec 2012 | Dissolved | |
| Kenfig Industries Limited Secretary • Company Secretary | 22 Jun 1993←19 Years→31 Dec 2012 | Dissolved | |
| The British Rototherm Company Limited Secretary • Unreported | 28 Feb 1992←20 Years→31 Dec 2012 | Active | |
