| 5 Towns Plumbing & Heating Contractors Ltd, Castlefod, WF10 4BH |
| Darren Long Gas Services, , WF10 5ET |
| Alpha Heating Services, Castleford, WF10 5QZ |
| B M N Gas Services, Castleford, WF10 5UH |
| G 4 Heating, Pontefract, WF8 2UU |
| Get Gassed, Hemel Hempstead , WF10 2HB |
| Craig Hunter Heating Services, Pontefract, WF8 4HW |
| MCL Plumbing and Heating, West yorkshire, WF8 2YQ |
| Adw Services, Leeds, LS25 7QY |
| Brian Plimmer, Pontefract, WF8 4LQ |
| Pro Gas, , WF11 8LB |
| S. T. Plumbing And Heating Gas Specialists Limited, West yorkshire, WF11 8EB |
| Sharps Plumbing & Heating, Knottingley, WF11 0JQ |
| D Grogan, Wakefield , WF4 1DN |
| L. Danby Plumbing & Heating, Leeds, LS25 2JB |
| Blueflame Heating and Plumbing, Wakefield , WF11 0DU |
| G&R Properties, Wakefield, WF4 1AA |
| Trust Electric Heating Ltd, Leeds, LS25 2JY |
| DMJ Property Services Limited, Wakefield, WF3 4PX |
| All Round Gas Care, , WF4 1LY |
