| Company | Timeline | Status | |
| Precision Investment Castings Limited Director • Director | 14 Dec 2018←7 Years→Current | Active | |
| TPP Compressors Limited Director • Director | 14 Dec 2018←7 Years→Current | Active | |
| Turbotech Precision Products Limited Director • Director | 14 Dec 2018←7 Years→Current | Active | |
| Erlson Precision Holdings Limited Director • Director | 26 Jul 2011←14 Years→Current | Active | |
| Erlson Precision Components Limited Director • Director | 26 Jul 2011←14 Years→Current | Active | |
