| A F M Plumbing & Heating Ltd, Preston, PR1 6JY |
| ES Plumbing and Heating Service, Preston, PR1 6TX |
| K & M Maintenance Services Ltd, Preston, PR1 7NH |
| PDQ Gas Services, , PR2 2BE |
| B's Gas Services, Preston, PR1 6XU |
| John Denby Gas Services, , PR2 8EQ |
| T.P Plumbing, Preston, PR1 4SW |
| Westlea Heating & Cooling Ltd, Preston, PR2 1EU |
| Trevor Hardman Plumbing and Heating, Preston, PR23RP |
| HomeEmergency , Preston, PR2 6BQ |
| Central Heating Solutions, Preston, PR1 9XB |
| J C M Plumbing & Heating Ltd, Preston, PR5 4LD |
| Lee Kane, Preston, PR2 6LP |
| Lancashire Green Deal Ltd, Preston, PR2 7AN |
| RK Heating Service, Lancashire, PR2 6TA |
| WMS Plumbing & Heating, , PR5 4BT |
| Rodney Webb, , PR2 6RS |
| Mr Gas and Heating Services Ltd, , PR1 9SU |
| Newtons Gas, , PR2 9SJ |
| col furr, Preston, PR2 1PJ |
