| Company | Timeline | Status | |
| Manitoba Holdings Limited Director • Engineer | 21 Dec 2000←25 Years→Current | Active | |
| C.S. Controls Limited Director • Electrical Engineer | 1 Oct 1997←28 Years→Current | Active | |
C.S. Control Systems Limited Director • Electrical Engineer | 22 Aug 1995←22 Years→19 Sep 2017 | Dissolved | |
