| R Morgan Electrics | 01834 844913 | | 2 Glenview Crescent, Tenby, SA70 8JB |  Map & Directions |
| Charles B Sams | 01558 668978 | | Pantyffynnon, Maesybont, Llanelli, SA14 7TA | | Map & Directions |
| Powerlec | 01792 584822 | | Meadow Street , Townhill, Swansea, SA1 6RZ | | Map & Directions |
| Killay Electrical Services | 01792 201500 | | 170 Gower Road, Sketty, Swansea, SA2 9HS | | Map & Directions |
| T W Lewis | 01792 799773 | | 15 New Quarr Road, Treboeth, Swansea, SA5 9DH | | Map & Directions |
| R D M Electrical Services | 01792 701256 | | Unit 6, Ferryboat Close, Cambrian Court, Swansea Enterprise Park, Swansea, SA6 8PZ | | Map & Directions |
| Gavin Electrical Engineering | 01792 891919 | | Phoenix Way, Garngoch Industrial Estate, Gorseinon, Swansea, SA4 9WF | | Map & Directions |
| Mps Engineering Service Ltd | 01639 823337 | | 43 Neath Road, Briton Ferry, Neath, SA11 2DX | | Map & Directions |
| Alans Electrical | 01792 522577 | | 13 Eversley Road, Sketty, Swansea, SA2 9DB | | Map & Directions |
| Sheldon Humphreys | 01348 840023 | | 88 St. Davids Road, Letterston, Haverfordwest, SA62 5SJ | | Map & Directions |
| M Dardecker | 01792 874954 | | 39 Woodlands, Gowerton, Swansea, SA4 3DP | | Map & Directions |
| Electechs Ltd | 01792 775250 | | Oxwich Court, Swansea Enterprise Park, Swansea, SA6 8RA | | Map & Directions |
| J C Davies | 01792 897775 | | Clover Croft, Oaklands Road, Pontlliw, Swansea, SA4 9EG | | Map & Directions |
| Michael Sleep | 01639 720166 | | 118 High Street, Glynneath, Neath, SA11 5AL | | Map & Directions |
| P J Gavin | 01792 874955 | | 97 Cecil Road, Gowerton, Swansea, SA4 3DN | | Map & Directions |
| Cell Lec | 01792 588902 | | 533 Middle Road, Gendros, Swansea, SA5 8EG | | Map & Directions |
| Norton Electrical Wiring Services | 01792 405422 | | 29 Hadland Terrace, West Cross, Swansea, SA3 5TT | | Map & Directions |
| F A Wilkins | 01792 898736 | | 33 Swansea Road, Penllergaer, Swansea, SA4 9AQ | | Map & Directions |
| Sherman Electrical Ltd | 01437 710810 | | Deerlands, Camrose, Haverfordwest, SA62 6HN | | Map & Directions |
| C & P Engineering Services Ltd | 01792 897002 | | Gorseinon Road , Penllergaer, Swansea, SA4 9GE | | Map & Directions |
| Safe Electrical | 01834 814944 | | Glenpines, Rushylake, Saundersfoot, SA69 9NY | | Map & Directions |
| D M G Systems Ltd | 01792 892107 | | 5 Clos Ty Mawr, Penllergaer, Swansea, SA4 9DA | | Map & Directions |
| Havenkey Ltd | 01834 861419 | | Haven House, Station App, Narberth, SA67 8TY | | Map & Directions |
| Neath Electrics | 01792 815209 | | 75 Old Road, Skewen, Neath, SA10 6LR | | Map & Directions |
| Neyland Marine Services Ltd | 01646 698968 | | The Docks, Milford Haven, SA73 3DJ | | Map & Directions |
| North Gower Electrical Services | 01792 850696 | | Ty Gwyn, Llanmorlais, Swansea, SA4 3RY | | Map & Directions |
| Rite Konnection Electrical Contractors | 01646 690449 | | Havens Head, Milford Haven, SA73 3QH | | Map & Directions |
| D H Reynolds | 01554 832075 | | Belmont House, Ashburnham Road, Pembrey, Burry Port, SA16 0TS | | Map & Directions |
| Jadon Electrical Co | 01792 464345 | | 71 Mansel Street, Swansea, SA1 5TN | | Map & Directions |
| D M E Engineers Ltd | 01269 870967 | | 1 Bryn Tirion, Pontyberem, Llanelli, SA15 5BX | | Map & Directions |
| D C Williams | 01554 832913 | | 30 Elkington Road, Burry Port, SA16 0AA | | Map & Directions |
| Daubney Services | 01437 779663 | | 11 Delapoer Drive , Haverfordwest, SA61 1HX | | Map & Directions |
| Mechwind Services Ltd | 01792 817603 | | Unit 24/25, Neath Abbey Business Park, Neath Abbey, Neath, SA10 7DR | | Map & Directions |
| D E Phillips & Sons | 01994 419361 | | Tanybryn, Glandwr, Whitland, SA34 0UA | | Map & Directions |
| Eastside Electrical | 01792 459281 | | 17 Beaumont Crescent, St. Thomas, Swansea, SA1 8DW | | Map & Directions |
| 3d Automation | 01269 832251 | | 15 Singleton Road, Upper Tumble, Llanelli, SA14 6DS | | Map & Directions |
| Newnant Electrical | 01239 698266 | | Newnant, Trelech, Carmarthen, SA33 6SF | | Map & Directions |
| Harries Automation & Control | 01554 777490 | | 8 Trostre Industrial Park, Llanelli, SA14 9UU | | Map & Directions |
| Rons Electrical Services | 01570 423281 | | Esgaireiddig, Cwmann, Lampeter, SA48 8EU | | Map & Directions |
| Electratest | 01834 861389 | | Parc Yr Odyn, Kiln Park Road, Narberth, SA67 8TX | | Map & Directions |
| P J Gavin & Sons Ltd | 01792 793483 | | Unit 9, St. Davids Road, Swansea Enterprise Park, Swansea, SA6 8QL | | Map & Directions |
| D L L Evans | 01559 370588 | | Tanglwst, Capel Iwan, Newcastle Emlyn, SA38 9NH | | Map & Directions |
| G J L Electrical Services Ltd | 01792 844031 | | Ashling, Lon Eithrym, Clydach, Swansea, SA6 5ER | | Map & Directions |
| Barrack & Rees | 01437 765637 | | Eynhallow, Park Corner Road, Haverfordwest, SA61 2XA | | Map & Directions |
| Betalec Ltd | 01792 324555 | | Unit 29, Neath Abbey Business Park, Neath Abbey, Neath, SA10 7DR | | Map & Directions |
| Martin Rees Electrical Contractors Ltd | 01550 721198 | | Brewery Field, Victoria Crescent, Llandovery, SA20 0YE | | Map & Directions |
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