| Company | Timeline | Status | |
| Stonebroom Storage Solutions Ltd Director • Unreported | 13 Apr 2022←3 Years→Current | Active | |
| PTC Engineering Limited Director • Unreported | 24 Oct 2005←20 Years→Current | Active | |
| PTC Engineering Limited Secretary • Unreported | 24 Oct 2005←14 Years→31 Oct 2019 | Active | |
| PT Clarke Limited Director • Unreported | 26 Aug 2004←21 Years→Current | Active | |
