| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMCEN CYFYNGEDIG | 05118551 | 04/05/2004 | Dissolved |
| AMCEN FELINHELI CYF | 07680813 | 23/06/2011 | Silver |
| Bratby Gases Ltd | 06420275 | 07/11/2007 | Dissolved |
| Focal Fancy Ltd | 04630458 | 03/07/2003 | Dissolved |
| HAMDDEN LLYN CYF | 04634939 | 03/07/2003 | Bronze |
| HAMDDEN LLYN CYF | 04634939 | 17/06/2003 | Bronze |
| HAROLD ROBERTS & SON LIMITED | 01616407 | 04/06/1992 | Silver |
| Hendre Mynach Ltd | 06716038 | 06/10/2008 | Dissolved |
| Hendre Mynach Ltd | 06716038 | 06/10/2008 | Dissolved |
| Liberate Time Ltd | 04641122 | 20/01/2003 | Dissolved |
| M & M NORTH WEST LIMITED | 08165652 | 02/08/2012 | Dissolved |
| M. ROBERTS AND SONS LIMITED | 02763448 | 26/11/1992 | Gold |
| MEDGAS LTD | 12491641 | 02/03/2020 | One Red Flag |
| PARC TALIESIN CYF | 10985316 | 27/09/2017 | One Red Flag |
| Pwllheli Gas & Leisure Ltd | 06716015 | 06/10/2008 | Dissolved |
| Pwllheli Gas & Leisure Ltd | 06716015 | 06/10/2008 | Dissolved |
| TYDDYN TALGOCH CYF | 08425875 | 01/03/2013 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMCEN CYFYNGEDIG | 05118551 | 04/05/2004 | 01/10/2007 | Dissolved |
| BEER GAS CYMRU CYF | 04665148 | 13/02/2003 | 04/05/2021 | Dissolved |
| GAS DIRECT CYMRU CYFYNGEDIG | 05505525 | 12/07/2005 | 04/05/2021 | Bronze |
| Harold Roberts Caravans Ltd | 04448144 | 27/05/2002 | 20/11/2003 | Dissolved |
| M & M GASES LIMITED | 08165660 | 02/08/2012 | 04/05/2021 | Dissolved |