| Company | Timeline | Status | |
| Thermo Glass Limited Director • Company Director | 30 Nov 1992←33 Years→Current | Active | |
| Southport Glass Co. Limited Director • Company Director | 30 Nov 1992←33 Years→Current | Active | |
| Thermo Glass Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Southport Glass Co. Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
