| Company | Timeline | Status | |
Shannon Plant (South West) Limited Director • Civil Engineer | 1 Jun 2000←13 Years→1 Dec 2013 | Dissolved | |
| R.J. Symes Contracting Limited Director • Civil Engineer | 11 May 1998←27 Years→Current | Active | |
| Shannon Plant Sales & Hire Limited Director • Civil Engineer | 1 Jul 1996←29 Years→Current | Active | |
