| Company | Timeline | Status | |
| David Glennon Limited Director • Marketing Consultant | 5 Mar 2012←9 Years→1 Mar 2022 | Dissolved | |
| Institute Of Sheet Metal Engineering Director • Unreported | 1 Oct 2009←16 Years→Current | Active | |
| Institute Of Sheet Metal Engineering Director • Sales Manager | 22 May 1991←9 Years→8 Jan 2001 | Active | |
