| Company | Timeline | Status | |
| Malcolm Insulation Limited Director • Unreported | 16 May 2012←13 Years→Current | Active | |
I G L Limited Director • Company Director | 31 Dec 1988←28 Years→20 Oct 2017 | Dissolved | |
| Malcolm Insulation Supplies Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
