| Alpha Electrics | 01792 798032 | | 62 Carmel Road, Winch Wen, Swansea, SA1 7JZ |  Map & Directions |
| Eastside Electrical | 01792 459281 | | 17 Beaumont Crescent, St. Thomas, Swansea, SA1 8DW | | Map & Directions |
| Jadon Electrical Co | 01792 464345 | | 71 Mansel Street, Swansea, SA1 5TN | | Map & Directions |
| Powerlec | 01792 584822 | | Meadow Street , Townhill, Swansea, SA1 6RZ | | Map & Directions |
| C & P Engineering Services Ltd | 01792 897002 | | Gorseinon Road , Penllergaer, Swansea, SA4 9GE | | Map & Directions |
| Butherway Electrical Ltd | 01437 532511 | | Rhiw, Rosebush, Clynderwen, SA66 7RH | | Map & Directions |
| Betalec Ltd | 01792 324555 | | Unit 29, Neath Abbey Business Park, Neath Abbey, Neath, SA10 7DR | | Map & Directions |
| J Ellis Ltd | 01792 297999 | | 85 Bernard Street, Brynmill, Swansea, SA2 0DT | | Map & Directions |
| Peter Jones Electrical Contractors Ltd | 01239 810204 | | 5 Dyffryn Terrace, Aberporth, Cardigan, SA43 2EF | | Map & Directions |
| Killay Electrical Services | 01792 201500 | | 170 Gower Road, Sketty, Swansea, SA2 9HS | | Map & Directions |
| Cothi Engineering Ltd | 01558 650380 | | Erwion, Ffaldybrenin, Ffarmers, Llanwrda, SA19 8QG | | Map & Directions |
| Rons Electrical Services | 01570 423281 | | Esgaireiddig, Cwmann, Lampeter, SA48 8EU | | Map & Directions |
| Bill Owens | 01994 448429 | | Maes Y Werin, Llanboidy, Whitland, SA34 0EL | | Map & Directions |
| Phil Owen | 01437 764040 | | Withybush Lodge, Withybush Road, Haverfordwest, SA62 4BW | | Map & Directions |
| Bob Fowler | 01437 890541 | | 48 Lower Quay Road , Hook, Haverfordwest, SA62 4LR | | Map & Directions |
| J Gwilliam | 01437 891556 | | The Green, Tiers Cross, Haverfordwest, SA62 3ES | | Map & Directions |
| Neath Electrics | 01792 815209 | | 75 Old Road, Skewen, Neath, SA10 6LR | | Map & Directions |
| Ivor Rees & Sons | 01437 532326 | | The Mill, Maenclochog, Clynderwen, SA66 7JY | | Map & Directions |
| Daubney Services | 01437 779663 | | 11 Delapoer Drive , Haverfordwest, SA61 1HX | | Map & Directions |
| Cell Lec | 01792 588902 | | 533 Middle Road, Gendros, Swansea, SA5 8EG | | Map & Directions |
| V R Hoare & Sons Ltd | 01437 764156 | | 58 Pembroke Road , Haverfordwest, SA61 1JT | | Map & Directions |
| Romano D J & Son | 01792 844123 | | Park Road, Ynystawe, Swansea, SA6 5AP | | Map & Directions |
| Frank Baumber | 01639 620077 | | 1 Heol Brynna, Cimla, Neath, SA11 2DT | | Map & Directions |
| Harries Automation & Control | 01554 777490 | | 8 Trostre Industrial Park, Llanelli, SA14 9UU | | Map & Directions |
| C W M Electrical | 01639 898471 | | 10 Bridge Street, Port Talbot, SA13 1AG | | Map & Directions |
| F A Wilkins | 01792 898736 | | 33 Swansea Road, Penllergaer, Swansea, SA4 9AQ | | Map & Directions |
| D C Williams | 01554 832913 | | 30 Elkington Road, Burry Port, SA16 0AA | | Map & Directions |
| Richard Dewarrenne | 01559 370772 | | Ogof, Dre-Fach Felindre, Llandysul, SA44 5HR | | Map & Directions |
| Brian Mogridge | 01792 232445 | | 19 Beaufort Drive, Kittle, Swansea, SA3 3LD | | Map & Directions |
| 3d Automation | 01269 832251 | | 15 Singleton Road, Upper Tumble, Llanelli, SA14 6DS | | Map & Directions |
| H L Fielding & Sons Ltd | 01646 622598 | | Unit 1 Haven Workshops, Pier Road, Pembroke Dock, SA72 6TR | | Map & Directions |
| Pat Test Wales | 01554 770575 | | 19 Langland Road, Llanelli, SA15 1BR | | Map & Directions |
| Sheldon Humphreys | 01348 840023 | | 88 St. Davids Road, Letterston, Haverfordwest, SA62 5SJ | | Map & Directions |
| Safe Electrical | 01834 814944 | | Glenpines, Rushylake, Saundersfoot, SA69 9NY | | Map & Directions |
| Rhino Engineering Ltd | 01639 888119 | | 2 Cramic Way, Port Talbot, SA13 1RU | | Map & Directions |
| Newnant Electrical | 01239 698266 | | Newnant, Trelech, Carmarthen, SA33 6SF | | Map & Directions |
| R Morgan Electrics | 01834 844913 | | 2 Glenview Crescent, Tenby, SA70 8JB | | Map & Directions |
| Norrard Electrics | 01646 692125 | | The Docks, Milford Haven, SA73 3AF | | Map & Directions |
| Michael Sleep | 01639 720166 | | 118 High Street, Glynneath, Neath, SA11 5AL | | Map & Directions |
| Brockway Electrical | 01646 622306 | | Unit 13, Llannion Park Industrial Estate , Richmond Road , Pembroke Dock, SA72 6TZ | | Map & Directions |
| Mps Engineering Service Ltd | 01639 823337 | | 43 Neath Road, Briton Ferry, Neath, SA11 2DX | | Map & Directions |
| Electechs Ltd | 01792 775250 | | Oxwich Court, Swansea Enterprise Park, Swansea, SA6 8RA | | Map & Directions |
| Martin Rees Electrical Contractors Ltd | 01550 721198 | | Brewery Field, Victoria Crescent, Llandovery, SA20 0YE | | Map & Directions |
| Dyfed Electronics Ltd | 01646 697773 | | Cleddau House , Milford Haven, SA73 3LA | | Map & Directions |
| D E Phillips & Sons | 01994 419361 | | Tanybryn, Glandwr, Whitland, SA34 0UA | | Map & Directions |
| Phase 3 Ltd | 01792 816817 | | Unit 7 The Courtyard, D'Arcy Business Centre, D'Arcy Business Park, Llandarcy, Neath, SA10 6EJ | | Map & Directions |
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