| Company | Timeline | Status | |
| Gibson Integrated Ltd Director • Unreported | 13 Apr 2024←1 Year 7 Months→Current | Active | |
Centri Tech (Turbo Parts) Limited Director • Engineer | 15 Sep 1994←1 Year 9 Months→11 Jun 1996 | Dissolved | |
| Foundry Equipment And Supplies Association Limited Director • Engineer | 5 Nov 1993←27 Years→1 May 2021 | Active | |
| Centri-Tech Limited Director • Unreported | 18 Mar 1991←34 Years→Current | Active | |
| Centri-Electric Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Gibson Centri-Tech Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
