| Company | Timeline | Status | |
| Lorry Park (Newport) Ltd Director • Company Director | 16 Sep 2020←5 Years→Current | Active | |
| Newport Truck Park Limited Director • Director | 28 Feb 2018←2 Years 2 Months→29 Apr 2020 | Active | |
| Mason & Reynolds Holdings Limited Director • Director | 26 Feb 2018←7 Years→Current | Active | |
| RJ Mason Storage And Warehousing Limited Director • Company Director | 13 May 2016←9 Years→Current | Active | |
S W Recovery & Recycling Limited Director • Director | 8 Aug 2012←7 Months→4 Apr 2013 | Dissolved | |
| Newport Rugby Football Club Limited Director • None | 21 Jul 2006←10 Years→30 Jun 2017 | Active | |
| R.J. Mason (Holdings) Limited Director • Company Director | 15 Aug 2005←20 Years→Current | Active | |
| C.J. Mason Transport Limited Secretary • Unreported | 14 May 2002←14 Years→20 Sep 2016 | Dissolved | |
| C.J. Mason Transport Limited Director • Haulage Contractor | 15 May 2001←15 Years→20 Sep 2016 | Dissolved | |
