| Company | Timeline | Status | |
| Gamma Hose Holdings Limited Secretary • Unreported | 8 Feb 2008←5 Years→2 May 2013 | Dissolved | |
Parmeko Holdings Limited Director • Accountant | 8 May 2006←6 Years→31 Dec 2012 | Dissolved | |
| Opus Metrology Limited Director • Accountant | 8 May 2006←6 Years→31 Dec 2012 | Dissolved | |
| RGS Plus Limited Director • Accountant | 12 Aug 2004←8 Years→31 Dec 2012 | Dissolved | |
Davis Pneumatic Systems Limited Director • Accountant | 8 Mar 1999←13 Years→31 Dec 2012 | Dissolved | |
| Opus Metrology Limited Secretary • Unreported | 31 Jul 1992←20 Years→1 Dec 2012 | Dissolved | |
| Gamma Hose Limited Secretary • Unreported | 27 Sep 1991←21 Years→2 May 2013 | Dissolved | |
| RGS Davis Limited Director • Accountant | 8 Aug 1991←30 Years→7 Sep 2021 | Dissolved | |
| Parmeko Group Limited Director • Accountant | 8 Aug 1991←21 Years→31 Dec 2012 | Dissolved | |
| Parmeko Limited Director • Accountant | 28 Mar 1991←8 Years→1 Jul 1999 | Dissolved | |
