| Company | Timeline | Status | |
Sutton Refractory Services Limited Director • Engineer  | 29 Sep 2015←1 Year 8 Months→30 May 2017  | Dissolved  | |
Bartec (Caledonian) Limited Director • Managing Director  | 5 Mar 2015←2 Years 2 Months→30 May 2017  | Dissolved  | |
| Furnace Engineering Ltd Director • Engineer  | 12 Feb 2013←10 Years→1 Aug 2023  | Dissolved  | |
| Heat Treatment Equipment Ltd Director • Engineer  | 10 Dec 2008←14 Years→1 Aug 2023  | Dissolved  | |
| Thermal Hire Ltd Director • Engineer  | 31 Dec 1991←33 Years→Current  | Active  | |
