| Smith E J O & Sons | 01736 350151 | | 14 Coulsons Buildings, Penzance, TR18 4DS |  Map & Directions |
| K Stockham | 01736 368477 | | 29 Parc Letta, Heamoor, Penzance, TR18 3EF | | Map & Directions |
| D & S Electrical | 01736 756524 | | 25 Mexico Lane, Phillack, Hayle, TR27 5AG | | Map & Directions |
| County Electrical Contractors | 01637 851055 | | 19 Pentire Crescent, Newquay, TR7 1PU | | Map & Directions |
| Electrical Services Ltd | 01637 872700 | | 19 Pargolla Road, Newquay, TR7 1RP | | Map & Directions |
| Paul Luke | 01209 710152 | | 45 Pendrea Park, North Roskear, Camborne, TR14 8PH | | Map & Directions |
| P A Ellis & Sons | 01872 520351 | | Trelyn, Tresillian, Truro, TR2 4BA | | Map & Directions |
| D A Jefford | 01736 796197 | | Kerrow, Trencrom Lane, Carbis Bay, St. Ives, TR26 2TD | | Map & Directions |
| Addinall's Ltd | 01326 378242 | | Tregoniggie Industrial Estate, Empire Way, Falmouth, TR11 4RX | | Map & Directions |
| Cox & Drew | 01326 563461 | | 4 Tresprison Business Park, Helston, TR13 0QD | | Map & Directions |
| Ralph Gillett Electrical Ltd | 01637 860781 | | Trevenna House, Trevenna Cross, St. Mawgan, Newquay, TR8 4HB | | Map & Directions |
| Treveane Services | 01326 231279 | | Trevean, Newtown, St. Martin, Helston, TR12 6DP | | Map & Directions |
| F J Kemp & Sons | 01872 870159 | | Treveor, Perranwell Station, Truro, TR3 7PT | | Map & Directions |
| Technical Electrical Engineering Ltd | 01872 553541 | | Station Road, G.W.R Yard, St. Agnes, TR5 0PD | | Map & Directions |
| Davey & Gilbert Electrical | 01736 332749 | | Unit 8a, Long Rock Industrial Estate, Long Rock, Penzance, TR20 8HX | | Map & Directions |
| Ocean Blue Electrical | 01326 373996 | | 1 The Chapel, Harbour Village, Penryn, TR10 8GG | | Map & Directions |
| G N Electrical Ltd | 01209 890658 | | Po Box Unit 4 Mount Pleasant Ecological Park, Chapel Hill, Porthtowan, Truro, TR4 8HL | | Map & Directions |
| Tony Miller | 01736 752907 | | 14 Tolroy Road, St. Erth Praze, Hayle, TR27 6EA | | Map & Directions |
| Collins Electrical Services | 01736 331133 | | Unit 20c, Long Rock Industrial Estate, Long Rock, Penzance, TR20 8HX | | Map & Directions |
| Harding Electrical Installations Ltd | 01209 714724 | | 13 Trelawney Road, Camborne, TR14 7LN | | Map & Directions |
| Brian Rabey | 01209 890010 | | Highfield, Chapel Hill, Porthtowan, Truro, TR4 8AS | | Map & Directions |
| T R D Vinson | 01326 373078 | | The Beeches, Budock Water, Falmouth, TR11 5DD | | Map & Directions |
| R J Warne | 01726 882470 | | 24 Greenbank Close, Grampound Road, Grampound Road, Truro, TR2 4TD | | Map & Directions |
| P J B Electrical | 01209 831061 | | Crenver Cottage, Praze, Camborne, TR14 0NS | | Map & Directions |
| Maenporth Electrical | 01326 250297 | | Craignish, Maenporth, Falmouth, TR11 5HN | | Map & Directions |
| Dodd Group | 01736 757668 | | Unit G, Rose-An-Grouse, St. Erth Industrial Estate, Canonstown, Hayle, TR27 6LP | | Map & Directions |
| Webb & Philp Ltd | 01736 753651 | | Unit 2 Marsh Lane Industrial Estate, Marsh Lane, Hayle, TR27 5JR | | Map & Directions |
| Delve & Nankervis | 01736 796804 | | Penbeagle Industrial Estate, St. Ives, TR26 2JH | | Map & Directions |
| Fuseright Ltd | 01326 210565 | | 7 Trelissick Road, Falmouth, TR11 2JT | | Map & Directions |
| Trussell Electrical | 01326 312926 | | 11 Lambs Lane, Falmouth, TR11 2JL | | Map & Directions |
| Hollands & Long | 01326 221468 | | Unit 6, Gilly Gabben Industrial Estate, Mawgan, Helston, TR12 6BL | | Map & Directions |
| Manderley | 01209 714415 | | 13 Mount Pleasant Road, Camborne, TR14 7RH | | Map & Directions |
| J V Clark & Sons | 01872 530361 | | 29 Tregony Hill, Tregony, Truro, TR2 5RU | | Map & Directions |
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