| Company | Timeline | Status | |
| S & H Porter Limited Director • Company Director | 1 Oct 2013←9 Years→18 Oct 2022 | Dissolved | |
| S J Porter Plant Hire Limited Director • Unreported | 12 Sep 2002←23 Years→Current | Active | |
S.J. Porter Limited Director • Tarmac And Groundwork Speciali | 14 Aug 1997←17 Years→16 Jul 2015 | Dissolved | |
