| M D Cassley | 029 2077 8395 | | 6 Lynton Close, Llanrumney, Cardiff, CF3 4BU |  Map & Directions |
| Sturdy Plumbing Co Ltd | 029 2070 4750 | | 14 Cowslip Drive, Penarth, CF64 2RH | | Map & Directions |
| A & D Plumbers Ltd | 01443 684340 | | 68 Birchgrove Street, Porth, CF39 9UU | | Map & Directions |
| D A Wescombe | 01443 491873 | | 30 Sheppard Street, Pontypridd, CF37 1HT | | Map & Directions |
| C L I Ltd | 01443 828100 | | Unit 56, Bowen Industrial Estate, Aberbargoed, Bargoed, CF81 9EP | | Map & Directions |
| Rouch Bros Plumbing & Heating | 029 2070 2741 | | 147 Redlands Road, Penarth, CF64 2QP | | Map & Directions |
| Goss Andrew | 01656 861981 | | 16 Hendre Road, Pencoed, Bridgend, CF35 6TA | | Map & Directions |
| Sturdy Plumbing Co Ltd | 029 2070 4759 | | 74 Plassey Street, Penarth, CF64 1EP | | Map & Directions |
| Flowbright | 01656 725592 | | Court Colman Road, Pen-Y-Fai, Bridgend, CF31 4NE | | Map & Directions |
| Aqua Heating | 01656 743778 | | Po Box Unit 1-2, Village Farm Industrial Estate, Heol Mostyn, Pyle, Bridgend, CF33 6BJ | | Map & Directions |
| Eric Wilkins | 01656 860090 | | 10 Redlands Close, Pencoed, Bridgend, CF35 6YU | | Map & Directions |
| John Lorford | 029 2076 4279 | | 3 Fishguard Close, Llanishen, Cardiff, CF14 5QF | | Map & Directions |
| J J Plumbing & Heating | 07970 596737 | | 37 Harbour Road, Barry, CF62 5RZ | | Map & Directions |
| E F Slarke | 029 2086 8075 | | 8 Dunraven Court , Caerphilly, CF83 2UR | | Map & Directions |
| Plumbing Mechanical Services | 029 2088 6352 | | 2 Melville Terrace, Caerphilly, CF83 3HE | | Map & Directions |
| Ray Hammond | 029 2084 3700 | | Riverdale, Heol Isaf, Radyr, Cardiff, CF15 8AF | | Map & Directions |
| Mark Prosser | 01685 722629 | | 29 Berry Square, Dowlais, Merthyr Tydfil, CF48 3AL | | Map & Directions |
| All Seasons Services Ltd | 01443 404626 | | The Old Chapel, Cross Street, Cilfynydd, Pontypridd, CF37 4EL | | Map & Directions |
| Graham Yeo Plumbing & Heating | 01446 743627 | | 41 Broad Street, Barry, CF62 7AD | | Map & Directions |
| Edwin David Lampert | 029 2061 7059 | | 90 Heol Uchaf, Cardiff, CF14 6SR | | Map & Directions |
| Draintech Services | 029 2066 8571 | | Atlantic House, Dumballs Road, Cardiff, CF10 5FE | | Map & Directions |
| D N A Heating Ltd | 029 2088 8079 | | Graddfa Industrial Estate, Colliery Road, Llanbradach, Caerphilly, CF83 3QQ | | Map & Directions |
| Cosihomes Maintenance | 01656 736154 | | 22 Garnwen Road, Maesteg, CF34 0EY | | Map & Directions |
| On Site Plumbing Ltd | 01656 646573 | | Heol Ffaldau, Brackla Industrial Estate, Bridgend, CF31 2AJ | | Map & Directions |
| A J Plumbing Services | 01656 746990 | | 9 Heol Y Cwrt, North Cornelly, Bridgend, CF33 4AX | | Map & Directions |
| Drainfix Plumbing | 01443 208193 | | Croeso I Cartref, Main Road, Llantwit Fardre, Pontypridd, CF38 2LT | | Map & Directions |
| R D Hennessey | 029 2075 6787 | | 17 Gwynant Crescent, Cardiff, CF23 6LT | | Map & Directions |
| Morse & Simpson | 01443 228884 | | 9 Acorn Close, Miskin, Pontyclun, CF72 8SQ | | Map & Directions |
| Able Plumbing Services | 029 2073 6433 | | 220D Cowbridge Road East, Cardiff, CF5 1GY | | Map & Directions |
| B E Dobson & Son | 029 2075 1656 | | 4 Hampton Crescent West, Cardiff, CF23 6RB | | Map & Directions |
| Llantrisant Plumbing & Heating | 01443 228849 | | 15 The Hollies, Brynsadler, Pontyclun, CF72 9BA | | Map & Directions |
| J W Billinghurst | 029 2083 2233 | | 19 St. Annes Gardens, Abertridwr, Caerphilly, CF83 4BS | | Map & Directions |
| Gwyn G Jones & Sons | 01446 773011 | | Coach House, Pentre Meyrick, Cowbridge, CF71 7RN | | Map & Directions |
| W P Kelland & Son | 01443 412030 | | 24 The Oaks, Quakers Yard, Treharris, CF46 5HQ | | Map & Directions |
| Home Dec Group | 029 2084 3862 | | 12 Graig Lwyd, Radyr, Cardiff, CF15 8BG | | Map & Directions |
| Thistle Utilities | 029 2084 2080 | | 1 Station Road, Radyr, Cardiff, CF15 8AA | | Map & Directions |
| E G Mogford | 029 2075 5021 | | 87 Rhydypenau Road , Cardiff, CF23 6PZ | | Map & Directions |
| Cardiff & Vale Gas Services | 029 2059 3523 | | 11 Deepdene Close, Cardiff, CF5 4SB | | Map & Directions |
| P J Robbins & Son | 01443 206559 | | 6 Briar Way, Tonteg, Pontypridd, CF38 1NR | | Map & Directions |
| Llantrisant Plumbing & Heating | 01443 223745 | | 13 Station Terrace, Pontyclun, CF72 9ES | | Map & Directions |
| Plumb Center | 01656 810038 | | Unit C, Heol Ty Gwyn Industrial Estate, Maesteg, CF34 0BQ | | Map & Directions |
| Heating & Plumbing Warehouse Ltd | 029 2046 1964 | | Unit 6a, East Tyndall Street, Jubilee Trading Estate, Cardiff, CF24 5EF | | Map & Directions |
| A Bainton | 029 2048 8930 | | 85 Llanedeyrn Road, Penylan, Cardiff, CF23 9DU | | Map & Directions |
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