| Graham William Stringer, Dukinfield, SK16 5NH |
| G Bayley Plumbing & Heating, Hyde, SK14 4NJ |
| P.S.W Gas Services, , SK16 4JF |
| GroundTherm ltd, Dukinfield , SK144QF |
| A B S Gas Energy Services, Manchester, M34 5DW |
| Dickinsons Plumbing Services , Manchester , SK15 1NH |
| M J Heating Ltd, Manchester, M34 3EF |
| High Efficiency Heating UK Ltd, 62 Turner Lane, Ashton Under-Lyne, Lanca, OL6 8LP |
| Lloyd's Gas Ltd, Stalybridge, SK15 1JD |
| L H Gas & Plumbing, Ashton-under-lyne, OL6 9LW |
| DLV Plumbing & Heating Ltd, Ashton-under-Lyne, OL6 9SF |
| S & M Plumbing & Heating, 3 Albert Street, Denton, Manchester, Lan, M34 6LB |
| CDF Services Ltd, Manchester, M34 3PW |
| Michael Poole, Manchester, M43 7TW |
| A A Ridyard Installation Engineers, Hyde, SK14 3JH |
| Blue flame heating , Stalybridge , Sk153rj |
| Lyons Property Services Ltd, Cheshire, SK15 3RU |
| ASL Plumbing & Heating Engineers, Hyde, SK14 5RY |
| A Blunt Plumbing & Heating, Manchester, M43 7WW |
| Peak Plumbing & Heating Contractors Ltd, Stalybridge, SK15 3LR |
