| Company | Timeline | Status | |
| Nanyang Brothers Tobacco Company Limited Secretary • Unreported | 25 May 1991←9 Months→1 Mar 1992 | Active | |
| Hong Kong Tobacco Company Limited Secretary • Unreported | 25 May 1991←9 Months→1 Mar 1992 | Active | |
| Lewis Tobacco Company Limited Secretary • Unreported | 25 May 1991←9 Months→1 Mar 1992 | Active | |
