| Company | Timeline | Status | |
| Billington Structures Limited Secretary • Company Secretary | 10 Mar 2009←1 Year 7 Months→1 Nov 2010 | Active | |
| Hollybank Engineering Co. Limited Secretary • Unreported | 10 Mar 2009←1 Year 4 Months→2 Aug 2010 | Active | |
| Amco Corporation Limited Secretary • Unreported | 24 Jun 2008←2 Years 4 Months→1 Nov 2010 | Active | |
| Peter Marshall Steel Stairs Limited Secretary • Unreported | 10 Jun 2008←2 Years 4 Months→1 Nov 2010 | Active | |
| Billington Fleet Management Limited Secretary • Unreported | 10 Jun 2008←2 Years 4 Months→1 Nov 2010 | Active | |
| Easi-Edge Limited Secretary • Unreported | 10 Jun 2008←2 Years 4 Months→1 Nov 2010 | Active | |
| Dosco Overseas Engineering Limited Secretary • Unreported | 12 Apr 2008←2 Years 3 Months→2 Aug 2010 | Dissolved | |
| Amco Estates Limited Secretary • Unreported | 8 Apr 2008←9 Years→3 Oct 2017 | Dissolved | |
