| S M Haworth Plumbing & Heating, Darwen , BB3 1NX |
| Valley Heating Ltd, Darwen, BB3 1NH |
| NFC Plumbing and Heating, Darwen, BB3 2NX |
| R Hartley Plumbing Services, Darwen, BB3 2NY |
| Gas Land Ltd, Darwen, BB3 3LS |
| Anthony Gardner, Darwen, BB3 0SA |
| D W Plumbing & Heating, Blackburn, BB2 4FB |
| DT Oracz Ltd T/A Home Gas Supplies, Blackburn, BB2 2QG |
| Blackburn Gas Plumbing & Heating Services, Blackburn, BB1 1TR |
| T R Nelson Plumbing & Heating, Blackburn, BB2 5FB |
| LEX Plumbing & Heating, Chorley, PR6 8bz |
| Paul Briggs, Accrington, BB5 3QY |
| Heatmaster Gas Plumbing And Heating Engineers Ltd, Blackburn , BB2 6SD |
| CD Gas Service, , BB5 4QW |
| Banbury Plumbing & Heating Services, Accrington, BB5 4NP |
| A P Gas & Heating, Blackburn, BB1 8BB |
| Ai Plumbing & Heating Engineering, Blackburn, BB1 6NY |
| M Webb & Son, Accrington, BB5 3AU |
| Radiant heating solutions, Bolton , BL7 9TR |
| Complete Heat Heating Company, Chorley, PR6 8AX |
