| Company | Timeline | Status | |
| Whitesmith Limited Director • Electrician | 2 Mar 1998←27 Years→Current | Active | |
| John T.Smith (Brick) Limited Director • Electrician | 20 Sep 1991←34 Years→Current | Active | |
| J.Shaw Electrical Engineers Limited Director • Electrician | 17 Sep 1991←34 Years→Current | Active | |
