| Company | Timeline | Status | |
| Evergreen Communications International Limited Director • Educational Editor | 26 Jan 1992←33 Years→30 Dec 2025 | Dissolved | |
| Mistco Limited Director • Educational Editor | 27 Dec 1991←23 Years→2 Nov 2015 | Active | |
| Evergreen Communications International Limited Director • Unreported | 1 Jan 1970←56 Years→30 Dec 2025 | Dissolved | |
