| Green Vision, Worksop, S80 3GB |
| Oldfield's Gas & Plumbing, Worksop, S81 7JT |
| C S PROPERTY SOLUTIONS, Worksop , S81 7JU |
| GB Solar Ltd, Worksop, S81 8AD |
| L P L Gas & Plumbing Services, Worksop, S81 7PA |
| Go Gas, , S81 7LF |
| I Maiden Heating, Worksop, S81 0PW |
| Mark Wolstenholme Heating, Worksop, S81 7RT |
| Ian Richards Plumbing & Gas, Chesterfield, S43 4NH |
| Cleaner Heat UK, , S81 9BH |
| P Glasby Plumbing & Heating Services, Mansfield, NG20 9EU |
| Sheffield Plumbing & Heating Ltd, Sheffield, S26 7YB |
| PureGas, , S26 7YB |
| Brookhouse Gas Services Ltd, Sheffield, S26 7YH |
| Brookhouse Gas Services Ltd, 44a Union Street,, Harthill,, Sheffield,, S26 7YH |
| B Safe Gas Services, Sheffield, S26 7YS |
| Gas Secure Ltd, Church Warsop, Mansf, NG20 0SZ |
| Bancroft Plumbing & Heating Ltd, Doncaster South York, S252RG |
| A.L Plumbing, Mansfield, NG20 8PY |
| Inverteck Limited, Inverteck Limited, Unit D8 Aldred Close,, S21 2JH |
