| Company | Timeline | Status | |
| R.G. Wylie & Co. Limited Director • Secretary | 14 May 1991←30 Years→23 Apr 2022 | Active | |
| Aluminium Pulleys Limited Secretary • Unreported | 14 May 1991←30 Years→23 Apr 2022 | Active | |
| Aluminium Pulleys Limited Secretary • Unreported | 1 Jan 1970←52 Years→23 Apr 2022 | Active | |
