| Company | Timeline | Status | |
| Micrometric Techniques Limited Secretary • Unreported | 26 Oct 2004←18 Years→29 Sep 2023 | Active | |
| Micrometric Limited Secretary • Unreported | 1 Dec 2003←19 Years→29 Sep 2023 | Active | |
| Photon Applications Limited Secretary • Unreported | 7 Sep 1991←32 Years→15 Sep 2023 | Active | |
