| Company | Timeline | Status | |
| National Electrotechnical Training Organisation Director • Managing Director | 27 Apr 1998←10 Years→28 Oct 2008 | Active | |
| Esca Estates Limited Director • Managing Director | 19 Mar 1998←1 Year 2 Months→15 Jun 1999 | Active | |
| The Electrical Engineering Training Foundation Director • Managing Dir | 12 Jul 1995←12 Years→16 May 2008 | Active | |
| R. B. Wilson (Electrical) Limited Director • Director | 24 May 1989←18 Years→28 Mar 2008 | Active | |
