| Jesse Williams & Son | 01492 592141 | | 18 Bryn Seiri Road, Conwy, LL32 8NR |  Map & Directions |
| D R Williams Ltd | 01286 830403 | | Felinwnda, Dinas, Caernarfon, LL54 5UG | | Map & Directions |
| G Williams & Sons | 01978 822050 | | Jalna, Station Road, Ruabon, Wrexham, LL14 6DL | | Map & Directions |
| Michael J Broome & Associates | 01492 545692 | | 18a Everard Road, Rhos On Sea, Colwyn Bay, LL28 4EY | | Map & Directions |
| C Wynne & Sons Ltd | 01745 586666 | | Charles House, Abergele Road, Kinmel Park, Bodelwyddan, Rhyl, LL18 5TY | | Map & Directions |
| R H Edwards | 01691 718846 | | Stabl Y Ddol, Pontfadog, Llangollen, LL20 7AR | | Map & Directions |
| Lawton | 01492 540661 | | Church Road, Rhos Industrial Park, Rhos On Sea, Colwyn Bay, LL28 4YX | | Map & Directions |
| Conway Construction | 01492 875875 | | Enville, Gloddaeth Avenue, Llandudno, LL30 2AN | | Map & Directions |
| A Roberts | 01286 881267 | | Rhyddros, Clynnog Road, Penygroes, Caernarfon, LL54 6NS | | Map & Directions |
| Castlemead Homes Ltd | 01978 353023 | | 33 Grosvenor Road, Wrexham, LL11 1BT | | Map & Directions |
| W R Peters Ltd | 01407 840419 | | Graigwen, Capel Mawr, Bodorgan, LL62 5DL | | Map & Directions |
| Carroll Builders & Contractors | 01824 703665 | | Lon Parcwr Industrial Estate, Ruthin, LL15 1NJ | | Map & Directions |
| R O Williams & Son | 01766 590618 | | Cydnerth Farm, Gellilydan, Blaenau Ffestiniog, LL41 4RB | | Map & Directions |
| Eaden Homes Ltd | 01407 765603 | | Berwyn Porthdafarch Road, Holyhead, LL65 2SA | | Map & Directions |
| Eric Roberts Ltd | 01978 757312 | | Unit 3, Five Crosses Industrial Estate, Minera, Wrexham, LL11 3RD | | Map & Directions |
| J & T Gizzi | 01745 824524 | | Ffordd Las Fawr Cottage, Tan y Fron Road , Abergele, LL22 9BB | | Map & Directions |
| P W Ellis | 01978 758524 | | Plas-Y-Coed, Pentre, Minera, Wrexham, LL11 3DW | | Map & Directions |
| R E Parry | 01286 881160 | | Tyn Llan, Rhedyw Road, Llanllyfni, Caernarfon, LL54 6SW | | Map & Directions |
| Craig Builders | 01745 570850 | | Stanford House, London Road, Trelawnyd, Rhyl, LL18 6DN | | Map & Directions |
| A J Morgan | 01407 832174 | | 8 Trecastell Park, Glan Y Don Parc, Bull Bay, Amlwch, LL68 9TE | | Map & Directions |
| Probuild | 01492 879953 | | Jubilee Passage Off, Jubilee Street, Llandudno, LL30 2SQ | | Map & Directions |
| M & J Services Ltd | 01978 660399 | | Ash Road South, Wrexham Industrial Estate, Wrexham, LL13 9UG | | Map & Directions |
| Advanced Roofing | 01745 824183 | | 22 Sunningdale, Abergele, LL22 7UB | | Map & Directions |
| Kelsall Homes | 01492 660077 | | Troed y Rhiw, Maenan, Llanrwst, LL26 0YN | | Map & Directions |
| A Moses | 01978 842416 | | Liverpool House, Hall Street, Rhosllanerchrugog, Wrexham, LL14 2LE | | Map & Directions |
| Afalon Construction | 01766 781052 | | 28 Heol Y Bryn, Harlech, LL46 2TU | | Map & Directions |
| Roberts & Davies | 01248 601654 | | Erw Gron, Bethesda, Bangor, LL57 3NU | | Map & Directions |
| Rogers Tudor | 01824 702069 | | Pen Y Bryn, Efenechtyd, Ruthin, LL15 2PW | | Map & Directions |
| B Kavanagh | 01766 830268 | | 7 Mills Row, Blaenau Ffestiniog, LL41 3UE | | Map & Directions |
| W H Salusbury & Son | 01745 813544 | | Rose Cottage, Denbigh Street, Henllan, Denbigh, LL16 5AR | | Map & Directions |
| Robert Thomas | 01690 760388 | | Hafod Y Gwynt, Cwm Road, Penmachno, Betws Y Coed, LL24 0UN | | Map & Directions |
| Trevor Griffith | 01758 713014 | | Tyr Lon, Sarn Bach, Pwllheli, LL53 7DA | | Map & Directions |
| R L L & M S Hughes | 01248 852258 | | Lleiniau Llwydion, Tyn Y Gongl, LL74 8SD | | Map & Directions |
| R J Hughes | 01286 830644 | | Tyn Lon, Llandwrog, Caernarfon, LL54 5SN | | Map & Directions |
| Anglesey Homes | 01407 720399 | | London Road, Gwalchmai, Holyhead, LL65 4PS | | Map & Directions |
| A M Gray | 01492 549998 | | 12 Pine Grove, Rhos On Sea, Colwyn Bay, LL28 4LW | | Map & Directions |
| G & J Property Services | 01745 890855 | | Llanynys, Denbigh, LL16 4NY | | Map & Directions |
| Cartref Builders Ltd | 01248 716233 | | Head Office Head Office, Snowden Veiw, Holyhead Road, Llanfairpwllgwyngyll, LL61 5SX | | Map & Directions |
| S Griffiths | 01824 703343 | | Hafod Y Bryn, Llanfair Dyffryn Clwyd, Ruthin, LL15 2RU | | Map & Directions |
| Bennett Homes | 01248 712313 | | Uxbridge Square, Menai Bridge, LL59 5AT | | Map & Directions |
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