| Company | Timeline | Status | |
| DP Measurement Limited Director • Unreported | 31 Mar 2005←20 Years→Current | Active | |
| Associated Instruments Repairs Limited Director • Unreported | 31 Mar 2005←20 Years→Current | Active | |
| DP Measurement Limited Secretary • Unreported | 16 Dec 1998←26 Years→Current | Active | |
| Associated Instruments Repairs Limited Secretary • Unreported | 24 Dec 1997←27 Years→Current | Active | |
