| Celyn Joinery | 01824 750499 | | Tyn y Celyn, Llanelidan, Ruthin, LL15 2RR |  Map & Directions |
| Catrin Construction | 01286 872079 | | Bryn Sardis, Dinorwic, Caernarfon, LL55 3EN | | Map & Directions |
| Jones Joinery | 01248 723637 | | Unit 6a, Penyrorsedd Industrial Estate, Llangefni, LL77 7JD | | Map & Directions |
| Thomas Roberts & Co | 01248 712478 | | 13 Chapel Street, Menai Bridge, LL59 5HW | | Map & Directions |
| Pearsons Building & Joinery Services | 01978 661433 | | Redwither Road, Wrexham Industrial Estate, Wrexham, LL13 9RD | | Map & Directions |
| D A Lloyd Roberts | 01758 614447 | | Abererch Road, Pwllheli, LL53 5LE | | Map & Directions |
| J M Lewis | 01978 758321 | | High Street, Pentre Broughton, Wrexham, LL11 6AG | | Map & Directions |
| J L Evans | 01492 581374 | | 8 St. Georges Drive, Deganwy, Conwy, LL31 9PP | | Map & Directions |
| W P Angel | 01286 673167 | | Tyddyn Pandy, Llanbeblig Road, Caernarfon, LL55 2SE | | Map & Directions |
| G Williams | 01248 600701 | | 6 Ffordd Coedmor, Bethesda, Bangor, LL57 3DP | | Map & Directions |
| R P Gowing Ltd | 01745 338098 | | Unit 4, Vale Road, Glan Aber Trading Estate, Rhyl, LL18 2PL | | Map & Directions |
| Pen-Y-Bryn Joinery Ltd | 01745 815481 | | Unit 27, Rhyl Road, Colomendy Industrial Estate, Denbigh, LL16 5TA | | Map & Directions |
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