| Maude Heating Ltd, , HX1 1PU |
| J J Gas Services, Halifax, Hx1 2xl |
| M H M Services GB Ltd, Halifax, HX1 3PG |
| Tee plumbing and heating solutions ltd, Halifax , HX14RH |
| M P Plumbing Heating & Building Contractors, Halifax, HX1 4RN |
| SDF Plumbing and Gas, Halifax, HX1 4QW |
| Neil Collins Gas Engineer, Halifax, HX3 9AL |
| GMC Plumbing & Heating Services, Halifax, HX2 7NG |
| Dean Horsfall Gas Services Ltd, Halifax, HX3 9JS |
| Northcliffe Gas & Heating Services, , HX3 5AA |
| Platinum plumbing solutions , Halifax , HX3 5FH |
| A & J Central Heating, , HX2 0SS |
| Michael Simmonds Plumbing, 26 Broadley Grove, Halifax, West Yorkshi, HX2 0RN |
| IMPERATIVE GAS SERVICES, , HX2 0UE |
| Jake Richmond Plumbing and Gas Engineer, West yorkshire, HX2 9DY |
| Negas Limited, West yorkshire, BD13 2HX |
| Mace 8 Ltd, West yorkshire, HX2 7TF |
| T W James Plumbing & Heating Ltd, Halifax, HX4 9LR |
| Burners Ltd, Brighouse, HD6 3PZ |
| CLK Plumbing & Heating Services, Bradford , BD6 3XU |
