| Company | Timeline | Status | |
| Pierceton Engineering Limited Secretary • Unreported | 28 Sep 1990←31 Years→21 Nov 2021 | Active | |
| Pierceton Engineering Limited Director • Director | 1 Dec 1989←31 Years→21 Nov 2021 | Active | |
| Pierceton Engineering Limited Director • Unreported | 1 Jan 1970←51 Years→21 Nov 2021 | Active | |
