| Company | Timeline | Status | |
| Southern Mechanical Services Limited Director • Engineer | 10 Dec 2007←17 Years→Current | Active | |
| Southern Mechanical Services Limited Secretary • Unreported | 10 Dec 2007←17 Years→Current | Active | |
| Southern Air Cooling Services Ltd Director • Engineer | 2 Sep 2002←23 Years→Current | Active | |
| Southern Air Cooling Services Ltd Secretary • Engineer | 2 Sep 2002←23 Years→Current | Active | |
| Southern Industrial Pipeline Services Limited Secretary • Unreported | 2 Sep 2002←23 Years→Current | Active | |
| Southern Industrial Pipeline Services Limited Director • Engineer | 2 Apr 2002←23 Years→Current | Active | |
