| Ashworth and Miller Gas Heating and Plumbing, Preston , PR25 4GE |
| G Harley, Leyland , PR25 1XB |
| D S P Building, Chorley, PR7 6HQ |
| APG Domestic Services Limited, Unit 14C Boxer Place, Moss Side Industri, PR26 7QL |
| Buckshaw Gas Services Ltd, , PR7 7AY |
| APG Domestic Services Ltd, Preston, PR5 6SW |
| Fix It Plumbers Ltd, Chorley, PR6 7QB |
| Dave Close Plumbing & Heating, Preston, PR58JJ |
| Coshh Lev Services Ltd, Chorley, PR7 6PE |
| Mr Gas and Heating Services Ltd, , PR1 9SU |
| Platinum Gas, Preston, PR5 6LJ |
| MP Energy Ltd, Preston , PR5 8AR |
| J C M Plumbing & Heating Ltd, Preston, PR5 4LD |
| Enviro-Heat NW Ltd, , PR7 5SX |
| D T S M Ltd, Leyland, PR26 9HT |
| WMS Plumbing & Heating, , PR5 4BT |
| LC Heating & Plumbing, Chorley, PR7 2DS |
| E&J Home Improvements, Leyland, PR26 9SH |
| L P Gas Services, Preston, PR4 5SL |
| Central Heating Solutions, Preston, PR1 9XB |
