| A Tipper | 01656 783874 | | 14 St. Brides Close, Nottage, Porthcawl, CF36 3NR |  Map & Directions |
| Ray Hammond | 029 2084 3700 | | Riverdale, Heol Isaf, Radyr, Cardiff, CF15 8AF | | Map & Directions |
| Aqua Tech Plumbing Services | 029 2062 1120 | | 14 Clodien Avenue, Cardiff, CF14 3NP | | Map & Directions |
| P J Bool | 029 2056 8933 | | 19 Mylo Griffiths Close, Cardiff, CF5 2RQ | | Map & Directions |
| E G Mogford | 029 2075 5021 | | 87 Rhydypenau Road , Cardiff, CF23 6PZ | | Map & Directions |
| A Bainton | 029 2048 8930 | | 85 Llanedeyrn Road, Penylan, Cardiff, CF23 9DU | | Map & Directions |
| Anderson & Leonard | 029 2056 0484 | | 57 Doyle Avenue , Cardiff, CF5 3HT | | Map & Directions |
| A & D Plumbers Ltd | 01443 684340 | | 68 Birchgrove Street, Porth, CF39 9UU | | Map & Directions |
| Mark Prosser | 01685 722629 | | 29 Berry Square, Dowlais, Merthyr Tydfil, CF48 3AL | | Map & Directions |
| Wayne Jones | 01656 861019 | | 56 Minffrwd Road, Pencoed, Bridgend, CF35 6SD | | Map & Directions |
| Goss Andrew | 01656 861981 | | 16 Hendre Road, Pencoed, Bridgend, CF35 6TA | | Map & Directions |
| V K Plumbing | 01443 225756 | | 14 Ynysmaerdy Terrace, Ynysmaerdy, Pontyclun, CF72 8LG | | Map & Directions |
| Bouchard & Jones | 01443 773010 | | Marwyn, Abertonllwyd Street, Treherbert, Treorchy, CF42 5PF | | Map & Directions |
| Drainfix Plumbing | 01443 208193 | | Croeso I Cartref, Main Road, Llantwit Fardre, Pontypridd, CF38 2LT | | Map & Directions |
| W P Kelland & Son | 01443 412030 | | 24 The Oaks, Quakers Yard, Treharris, CF46 5HQ | | Map & Directions |
| E F Slarke | 029 2086 8075 | | 8 Dunraven Court , Caerphilly, CF83 2UR | | Map & Directions |
| Pen Y Bryn Services | 029 2061 3892 | | 3 Lon-Y-Dail, Cardiff, CF14 6DZ | | Map & Directions |
| Jb Plumbing Services | 01446 753753 | | Church Lane, St. Athan, Barry, CF62 4PL | | Map & Directions |
| Premier Heating | 01656 871382 | | Llyston, Llangeinor, Bridgend, CF32 8PB | | Map & Directions |
| P J Robbins & Son | 01443 206559 | | 6 Briar Way, Tonteg, Pontypridd, CF38 1NR | | Map & Directions |
| Sturdy Plumbing Co Ltd | 029 2070 4750 | | 14 Cowslip Drive, Penarth, CF64 2RH | | Map & Directions |
| J Hawkins | 01443 224176 | | 37 Westhill Drive, Llantrisant, Pontyclun, CF72 8DX | | Map & Directions |
| Rouch Bros Plumbing & Heating | 029 2070 2741 | | 147 Redlands Road, Penarth, CF64 2QP | | Map & Directions |
| Blue Flame Ltd | 01443 207771 | | 82 Parish Road, Beddau, Pontypridd, CF38 2BU | | Map & Directions |
| Fast Plumb | 07967 243822 | | 80 Glan Y Nant, Tondu, Bridgend, CF32 9DT | | Map & Directions |
| Celtic Gas | 01656 649482 | | Unit 22, Crosby Yard, Bridgend, CF31 1JZ | | Map & Directions |
| Wayne Lewis | 01443 731852 | | 16 Rhondda Fechan Farm Estate , Ferndale, CF43 4LX | | Map & Directions |
| C O'donoghue | 029 2030 6636 | | 12 Woolacombe Avenue , Llanrumney, Cardiff, CF3 4TE | | Map & Directions |
| Thistle Utilities | 029 2084 2080 | | 1 Station Road, Radyr, Cardiff, CF15 8AA | | Map & Directions |
| Burner Efficiency Services | 029 2057 8848 | | Unit 13, Station Terrace, Ely Brewery Workshops, Ely, Cardiff, CF5 4AR | | Map & Directions |
| M D Cassley | 029 2077 8395 | | 6 Lynton Close, Llanrumney, Cardiff, CF3 4BU | | Map & Directions |
| Maindy Heating Co Ltd | 01443 773800 | | 106 Bute Street , Treorchy, CF42 6AU | | Map & Directions |
| A J Plumbing Services | 01656 746990 | | 9 Heol Y Cwrt, North Cornelly, Bridgend, CF33 4AX | | Map & Directions |
| Lane & Prothero Gas Services | 029 2062 6349 | | 209 Hillrise, Cardiff, CF23 6UQ | | Map & Directions |
| Morse & Simpson | 01443 228884 | | 9 Acorn Close, Miskin, Pontyclun, CF72 8SQ | | Map & Directions |
| J W Billinghurst | 029 2083 2233 | | 19 St. Annes Gardens, Abertridwr, Caerphilly, CF83 4BS | | Map & Directions |
| B E Dobson & Son | 029 2075 1656 | | 4 Hampton Crescent West, Cardiff, CF23 6RB | | Map & Directions |
| Thompson Services | 029 2025 4738 | | 8 Southminster Road, Cardiff, CF23 5AT | | Map & Directions |
| Mike Carless | 029 2062 3059 | | 76 Rhydhelig Avenue , Cardiff, CF14 4DE | | Map & Directions |
| J Jones | 01443 692570 | | 3 Pleasant View, Aberfan, Merthyr Tydfil, CF48 4PQ | | Map & Directions |
| D L M Plumbing & Heating Services Ltd | 029 2045 6006 | | 4 Queenwood, Penylan, Cardiff, CF23 9LE | | Map & Directions |
| On Site Plumbing Ltd | 01656 646573 | | Heol Ffaldau, Brackla Industrial Estate, Bridgend, CF31 2AJ | | Map & Directions |
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