| Company | Timeline | Status | |
| The Lion Tube And Steel Company Limited Director • Director | 21 Aug 1992←4 Years→31 Dec 1996 | Dissolved | |
| Downings Steel Limited Director • Director | 21 Aug 1992←4 Years→31 Dec 1996 | Dissolved | |
| Van Leeuwen Pipe & Tube Limited Director • Director | 21 Aug 1992←4 Years→31 Dec 1996 | Dissolved | |
| Van Leeuwen Tubes Limited Director • Director | 21 Aug 1992←4 Years→31 Dec 1996 | Active | |
