| G Price | 01437 720870 | | Boncath Cross, Solva, Haverfordwest, SA62 6XT |  Map & Directions |
| Advanced Heating | 01792 771754 | | 13 Market Street, Morriston, Swansea, SA6 8DA | | Map & Directions |
| W G Beynons | 01639 791911 | | 7 Dulais Fach Road, Tonna, Neath, SA11 3JW | | Map & Directions |
| A F Johnstone | 01269 594213 | | Alandale, 19 Aberlash Road, Ammanford, SA18 3NE | | Map & Directions |
| Des Clarke & Son | 01550 720478 | | 6 Broad Street, Llandovery, SA20 0AR | | Map & Directions |
| J Daly | 01639 842038 | | Unit 206 Ystradgynlais Workshops, Trawsffordd Road, Ynyscedwyn Industrial Estate, Ystradgynlais, Swansea, SA9 1DT | | Map & Directions |
| T H Rogers & Sons Ltd | 01267 223276 | | Awelfryn, Penlanffos Road, Carmarthen, SA31 2HL | | Map & Directions |
| Keith Davies | 01639 793527 | | 72 Windsor Village, Port Talbot, SA12 7EY | | Map & Directions |
| J W Price | 01792 863163 | | 89 Alltwen Hill, Alltwen, Pontardawe, Swansea, SA8 3BP | | Map & Directions |
| Clive Hughes | 01792 652951 | | 6 Cae Rowland Street, Cwmbwrla, Swansea, SA5 8NY | | Map & Directions |
| Abbey Gas Services Ltd | 01792 527628 | | 2 Walters Street, Manselton, Swansea, SA5 9PL | | Map & Directions |
| Brian Finselbach | 01792 773154 | | 4 Brodorion Drive, Cwmrhydyceirw, Swansea, SA6 6LP | | Map & Directions |
| M F Price | 01639 841003 | | 41 Ynyscedwyn Road, Ystradgynlais, Swansea, SA9 1BH | | Map & Directions |
| J S Davies & Son Ltd | 01834 813462 | | Greenfields, Valley Road, Saundersfoot, SA69 9BX | | Map & Directions |
| Valley Heating & Electrical Co | 01792 233754 | | 2 Whitestone Avenue, Bishopston, Swansea, SA3 3DA | | Map & Directions |
| J M S Plumbing | 01639 633731 | | 7 Henfaes Terrace, Tonna, Neath, SA11 3EQ | | Map & Directions |
| A C Thorneycroft & Son | 01558 668544 | | Glan-Rhydw, Llanarthney, Carmarthen, SA32 8JJ | | Map & Directions |
| Total Heating Solutions | 01437 768987 | | Westhill Bungalow, Portfield Gate, Haverfordwest, SA62 3LS | | Map & Directions |
| S R Y Plumbing | 07973 680386 | | 124 Borough Road, Loughor, Swansea, SA4 6RY | | Map & Directions |
| B H Peprell | 01437 765127 | | 1 Priory Park, Shakespeare Close, Haverfordwest, SA61 1TL | | Map & Directions |
| Cosihome Ltd | 01554 835571 | | 12 Dwynant, Furnace, Burry Port, SA16 0YQ | | Map & Directions |
| Albion Plumbing & Heating | 01639 778745 | | 44 Albion Road, Port Talbot, SA12 8BY | | Map & Directions |
| G F Mayhew | 01646 600454 | | 35 Neyland Heights, Neyland, Milford Haven, SA73 1RQ | | Map & Directions |
| R Organ | 01994 240793 | | Gwynfryn, Spring Gardens, Whitland, SA34 0HP | | Map & Directions |
| Sms Services | 01834 845245 | | 16 Penally Heights, Penally, Tenby, SA70 7QP | | Map & Directions |
| Hywel Williams | 01792 207252 | | 54 New Mill Road, Sketty, Swansea, SA2 8PB | | Map & Directions |
| S P Adams | 01269 591451 | | 16 Ammanford Road, Tycroes, Ammanford, SA18 3QJ | | Map & Directions |
| R Price & Sons | 01792 702151 | | 859 Llangyfelach Road, Treboeth, Swansea, SA5 9AU | | Map & Directions |
| P J Jones Plumbing & Heating Ltd | 01554 890870 | | 21 Park View Drive, Kidwelly, SA17 4UP | | Map & Directions |
| Whitecross & Son | 01792 206156 | | 451 Gower Road, Killay, Swansea, SA2 7DZ | | Map & Directions |
| M J Chapman Plumbing & Heating | 01792 701721 | | Bryntywod, Llangyfelach, Swansea, SA5 7LF | | Map & Directions |
| Cooney Colin & Son Ltd | 01792 792875 | | 54 Heol Y Fran, Cwmrhydyceirw, Swansea, SA6 6TL | | Map & Directions |
| R F Browne Ltd | 01792 203147 | | 6 Dillwyn Road, Sketty, Swansea, SA2 9AB | | Map & Directions |
| Taylor & Williams | 01792 368489 | | 92 Heol Gerrig, Treboeth, Swansea, SA5 9BP | | Map & Directions |
| Kevin Roberts | 01558 685524 | | The Old Stables, Talley, Llandeilo, SA19 7AQ | | Map & Directions |
| Thomas & Thomas | 01239 841408 | | Llwyn Meigan, Blaenffos, Boncath, SA37 0JE | | Map & Directions |
| Ken Newcombe | 01554 758752 | | 24 Y Fron, Felinfoel, Llanelli, SA15 4LL | | Map & Directions |
| D H Beaman | 01792 652567 | | 123 Cwmbach Road, Fforestfach, Swansea, SA5 5BN | | Map & Directions |
| T & T Heating | 01437 765604 | | Milner Cottage, Herbrandston, Milford Haven, SA73 3TD | | Map & Directions |
| J P Velardo | 01792 843916 | | 21 Beryl Road, Clydach, Swansea, SA6 5QB | | Map & Directions |
| W J Alun Evans | 01570 470883 | | Ardwyn, Cilcennin, Lampeter, SA48 8RS | | Map & Directions |
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