| Company | Timeline | Status | |
| Earth Data Limited Director • Technical Director | 23 Jan 1992←15 Years→9 Mar 2007 | Active | |
| Earth Data Limited Secretary • Techinical Director | 23 Jan 1992←15 Years→9 Mar 2007 | Active | |
| Kendata Peripherals Limited Director • Technical Director | 23 Jan 1991←16 Years→9 Mar 2007 | Active | |
| Kendata Peripherals Limited Secretary • Technical Director | 23 Jan 1991←16 Years→9 Mar 2007 | Active | |
| Kenda Electronic Systems Limited Director • Technical Director | 23 Jan 1991←16 Years→9 Mar 2007 | Active | |
| Kenda Electronic Systems Limited Secretary • Technical Director | 23 Jan 1991←16 Years→9 Mar 2007 | Active | |
