| Company | Timeline | Status | |
| Fairport (Investments) Limited Director • Company Director | 27 Jun 1997←19 Years→18 Dec 2016 | Active | |
| Industrial Diamond Company Limited Director • Company Director | 9 Feb 1993←23 Years→18 Dec 2016 | Active | |
| Lunzers Limited Director • Company Director | 31 May 1991←25 Years→18 Dec 2016 | Active | |
| I.D.C. (Holdings) Limited Director • Company Director | 16 Jan 1991←25 Years→18 Dec 2016 | Active | |
| Industrial Diamond Company Limited Director • Unreported | 1 Jan 1970←46 Years→18 Dec 2016 | Active | |
| Lunzers Limited Director • Unreported | 1 Jan 1970←46 Years→18 Dec 2016 | Active | |
