| Company | Timeline | Status | |
| TRS (Heating Services) Limited Secretary • Unreported | 16 Mar 2006←19 Years→Current | Active | |
| T.R.S. (Environmental) Limited Secretary • Unreported | 16 Mar 2006←19 Years→Current | Active | |
| Tank Replacement Services Limited Secretary • Unreported | 16 Mar 2006←19 Years→Current | Active | |
