- G.L Davies
- 0845 3736639 - Gilar Wernlas, Dolgellau, Gwynedd, LL40 1PL
- A J Joinery
- 01286 678000 - Unit 2a, Lon Cae Darbi, Cibyn Industrial Estate, Caernarfon, Gwynedd, LL55 2BD
- W.P Angel
- 01286 673167 - Tyddyn Pandy Llanbeblig Rd, Caernarfon, Gwynedd, LL55 2SE
- Coeden Joinery
- 01248 440797 - Tyn Lon, Newborough, Llanfairpwllgwyngyll, Gwynedd, LL61 6SN
- Huw John Jones
- 01286 660365 - Glanrafon Pontllyfni, Pontllyfni, Caernarfon, Gwynedd, LL54 5ER
- R.A Lewis
- 01248 712190 - 50 Cil Y Graig, Llanfairpwllgwyngyll, Gwynedd, LL61 5NZ
- Llechid Joinery
- 01286 678020 - Unit 21, Cibyn Industrial Estate, Caernarfon, Gwynedd, LL55 2BD
- Oakwood Joinery
- 0870 8148359 - Consruction Ho Gaerwen Indust Est, Gaerwen, Gwynedd, LL60 6HR
- Pritchard & Griffiths
- 01766 512091 - Tremadog, Porthmadog, Gwynedd, LL49 9RH
- Rich Wood Joinery
- 01248 421596 - Unit 40, Gaerwen Industrial Estate, Gaerwen, Gwynedd, LL60 6HR
- R Thomas
- 01248 351964 - Plot 2 Lon Goed, Pentir, Bangor, Gwynedd, LL57 4UY
- uk stairs ( North Wales ) Ltd
- 01758 701758 - Prif Swyddsa, Unit 4 -7 Ystad Diwydiannol, Pwllheli, Gwynedd, LL53 5YT
- uk stairs ( North Wales ) Ltd
- 01758 701758 - Prif Swyddsa, Unit 4 -7 Ystad Diwydiannol, Pwllheli, Gwynedd, LL53 5YT
- R G Williams
- 01766 810672 - Cae Du, Pwllheli, Gwynedd, LL53 6LX