| Company | Timeline | Status | |
| McDermid Gas Ltd Secretary • Unreported | 26 Nov 2007←6 Months→31 May 2008 | Dissolved | |
| Roylex Ltd Secretary • Unreported | 26 Nov 2007←6 Months→31 May 2008 | Dissolved | |
| McDermid Controls Ltd Secretary • Unreported | 26 Nov 2007←6 Months→31 May 2008 | Active | |
