| Company | Timeline | Status | |
| Bel Valves Limited Director • Engineer  | 28 Feb 1992←9 Years→31 Dec 2001  | Active  | |
Noventa Limited Director • Engineer  | 24 Oct 1991←10 Years→31 Dec 2001  | Dissolved  | |
| Rotary Power Ltd Director • Engineer  | 28 Feb 1991←10 Years→31 Dec 2001  | Active  | |
| Bel Group Investments Limited Director • Engineer  | 28 Feb 1991←10 Years→31 Dec 2001  | Active  | |
