| A M S Ley Ltd | 01271 343710 | | 31 Pottington Road, Barnstaple, EX31 1JH |  Map & Directions |
| Roundswell | 01271 321984 | | 15 Middle Combe Drive, Roundswell, Barnstaple, EX31 3UY | | Map & Directions |
| Westway Services John Cann Plumbing & Heating Ltd | 01271 375021 | | 5 Anchor Mills, Bradiford, Barnstaple, EX31 4DP | | Map & Directions |
| M D & S J Curtis | 01271 345201 | | Hilltop Cottages, Fremington, Barnstaple, EX31 3BN | | Map & Directions |
| Ian Mill | 01288 356109 | | Unit 8 Kings Hill Industrial Estate, Bude, EX23 8QN | | Map & Directions |
| A M Hircock | 01840 230228 | | Raintree, Crackington Haven, Bude, EX23 0JN | | Map & Directions |
| Gas Services | 01392 427357 | | 4 Darwin Court, Melbourne Street, Exeter, EX2 4DF | | Map & Directions |
| Simon Pickard | 01237 420779 | | Spring Cottage, Abbotsham, Bideford, EX39 5BD | | Map & Directions |
| Devon Plumbing & Heating | 01271 831000 | | 8 The Orchards, Landkey, Barnstaple, EX32 0QP | | Map & Directions |
| L Gilbert | 01805 603477 | | Chaplands Cottages, Beaford, Winkleigh, EX19 8LJ | | Map & Directions |
| G W Plumer & Sons Ltd | 01392 436179 | | 27 Parkland Drive, Exeter, EX2 5RX | | Map & Directions |
| Stone & Sedgbeer | 01884 254438 | | Unit 3, Mountbatten, Tiverton, EX16 6SW | | Map & Directions |
| G Burrow | 01288 341358 | | Hillhead Cottage, Whitstone, Holsworthy, EX22 6TJ | | Map & Directions |
| N A Guppy Ltd | 01392 841336 | | Croylands, Brampford Speke, Exeter, EX5 5HH | | Map & Directions |
| Exe Valley Services | 01392 860383 | | Cornerways, Silverton, Exeter, EX5 4DH | | Map & Directions |
| Nick Carter | 01271 864152 | | Chambercombe Road, Ilfracombe, EX34 9PH | | Map & Directions |
| Goldsworthy Heating | 01392 271062 | | 90 Cowick Lane, Exeter, EX2 9HD | | Map & Directions |
| Michael Clark Ltd | 01395 274237 | | Lyngby, Maer Lane, Exmouth, EX8 2DD | | Map & Directions |
| Project Heating Co Ltd | 01392 215790 | | 4, Norman Court, Budlake Road, Marsh Barton Trading Estate , Exeter, EX2 8PY | | Map & Directions |
| Exmouth & East Devon Htg | 01395 267880 | | 2 Normandy Close, Exmouth, EX8 4PB | | Map & Directions |
| P G Stansell | 01404 42559 | | Goldcombe Farm, Gittisham, Honiton, EX14 3AB | | Map & Directions |
| Richard Hargreaves | 01392 875037 | | 51 Retreat Road, Topsham, Exeter, EX3 0LF | | Map & Directions |
| Sidmarc Ltd | 01392 435113 | | 40 St. Katherines Road, Exeter, EX4 7JW | | Map & Directions |
| R L Pollard | 01395 444049 | | 45 Greenway Lane, Budleigh Salterton, EX9 6SJ | | Map & Directions |
| Gas South West | 01392 493349 | | 33 Newman Road, St Thomas, Exeter, EX4 1PJ | | Map & Directions |
| P W Services Ltd | 0800 781 8598 | | Hazel Cottage, School Lane, Colyton, EX24 6NT | | Map & Directions |
| Eveleigh | 01884 266150 | | Wendy House, Kerswell, Cullompton, EX15 2ES | | Map & Directions |
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