| Company | Timeline | Status | |
| Covertop Limited Secretary • Unreported | 15 Jun 2000←25 Years→19 Dec 2025 | Active | |
| Ehrman Kits Limited Secretary • Unreported | 1 Nov 1991←34 Years→Current | Active | |
| Ehrman Kits Limited Secretary • Unreported | 1 Jan 1970←56 Years→19 Dec 2025 | Active | |
