| Company | Timeline | Status | |
| Dosco Overseas Engineering Limited Director • Company Director | 26 Jun 1991←1 Year 6 Months→16 Jan 1993 | Dissolved | |
| Hollybank Engineering Co. Limited Director • Director | 26 Jun 1991←1 Year 6 Months→15 Jan 1993 | Active | |
| Hollybank Engineering Co. Limited Director • Unreported | 1 Jan 1970←23 Years→15 Jan 1993 | Active | |
