| Allison & Hunter - Leafield Road - DG1 2DP |
| BIB Cochran Limited - Newbie Works - DG12 5QU |
| Boiler Engineering - Westerhill - DG12 6SA |
| Ferrie Heating Services - 6 Riverside Park - DG14 0UY |
| Highland Fuels - Grahamsfield Farm Ecclefechan - DG11 3EE |
| Hightae Heating - Red Cottage Whitehill - DG11 1AL |
~
|
|