| Company | Timeline | Status | |
| Summit Gauge Technologies Limited Director • Unreported | 6 Sep 2022←3 Years→Current | Active | |
| Summit Patterns Holdings Limited Director • Company Director | 5 Sep 2022←3 Years→Current | Active | |
Summit Steeltech Limited Director • Company Director | 14 Apr 2014←2 Years 4 Months→6 Sep 2016 | Dissolved | |
| Summit Metrology Limited Director • Unreported | 12 Sep 2006←19 Years→Current | Active | |
| Summit Patternmaking Co. Limited Director • Company Director | 23 May 1991←34 Years→Current | Active | |
