| Company | Timeline | Status | |
| Spinlock Structures Limited Secretary • Unreported | 18 Mar 2003←9 Years→21 Mar 2012 | Active | |
| Offshore Instruments Limited Director • Director | 16 Jan 1992←20 Years→21 Mar 2012 | Active | |
| Offshore Instruments Limited Secretary • Unreported | 16 Jan 1992←20 Years→21 Mar 2012 | Active | |
| Spinlock Limited Secretary • Unreported | 31 Dec 1990←21 Years→21 Mar 2012 | Active | |
| Spinlock Limited Director • Director | 31 Dec 1990←21 Years→21 Mar 2012 | Active | |
