| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EXACTATUBE LIMITED | 08885355 | 11/04/2014 | Dissolved |
| HEATING SYSTEM INNOVATIONS LTD | 07453633 | 29/11/2010 | Dissolved |
| INNOVATIVE HEATING TECHNOLOGIES LTD | 07016911 | 13/09/2009 | Dissolved |
| MAXI GLOW LTD | 05880020 | 18/07/2006 | Dissolved |
| PIPELAGGERPRO LIMITED | 08885767 | 01/08/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOILER FAULT FINDER LIMITED | 08610232 | 15/07/2013 | 21/03/2014 | One Red Flag |
| CLEVER COUPLER LIMITED | 14275511 | 04/08/2022 | 05/07/2024 | Dissolved |
| PLUMBINGENUITY LIMITED | 12561860 | 10/06/2021 | 10/01/2024 | Dissolved |
| PLUMBPAL INNOVATIONS LIMITED | 10860532 | 11/07/2017 | 14/02/2019 | Bronze |