| Company | Timeline | Status | |
| Wilkes Security Products Limited Secretary • Unreported | 10 Oct 2001←1 Year 4 Months→19 Feb 2003 | Active | |
| Trimselter Limited Secretary • Unreported | 10 Oct 2001←1 Year 4 Months→19 Feb 2003 | Active | |
| Samuel Wilkes (Engineering) Limited Secretary • Unreported | 10 Oct 2001←1 Year 4 Months→19 Feb 2003 | Active | |
| Stancroft Limited Secretary • Unreported | 10 Oct 2001←1 Year 4 Months→19 Feb 2003 | Active | |
| Kingspan Century (Ni) Limited Secretary • Unreported | 17 Feb 1992←9 Years→26 Feb 2001 | Active | |
