| Company | Timeline | Status | |
| HBT Engineering Services Limited Director • Business Executive | 5 Apr 1992←2 Years 8 Months→14 Dec 1994 | Active | |
| Bucyrus Europe Holdings Limited Director • Business Executive | 24 Apr 1991←3 Years→14 Dec 1994 | Dissolved | |
| HBT Engineering Services Limited Director • Unreported | 1 Jan 1970←24 Years→14 Dec 1994 | Active | |
