| Company | Timeline | Status | |
| R.G. Wylie & Co. Limited Secretary • Unreported  | 14 May 1991←30 Years→23 Apr 2022  | Active  | |
| 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  | |
