| Company | Timeline | Status | |
| Aspectunit Property Management Limited Director • Director | 29 Jan 1999←14 Years→20 Mar 2013 | Active | |
| Midland Combustion Limited Director • Director | 1 Jun 1994←23 Years→20 Mar 2018 | Dissolved | |
| Selwood Pump Company Limited Director • Director | 1 Jun 1994←23 Years→20 Mar 2018 | Active | |
| MLTC Limited Director • Director | 31 Mar 1992←25 Years→20 Mar 2018 | Dissolved | |
| G.M. Treble Limited Director • Company Director | 19 Mar 1992←20 Years→2 Aug 2012 | Active | |
| Treble Pumping Services Limited Director • Company Director | 16 Jan 1992←20 Years→2 Aug 2012 | Active | |
| Selwood Pump Holding Limited Director • Director | 31 Mar 1991←26 Years→20 Mar 2018 | Active | |
