- G & A Windows
- 0845 3736639 - The Old School, Chapel Street, Porthmadog, Gwynedd, LL49 9DS
- Ffenestri Dwyfor Windows
- 01766 530397 - Cae Y Llyn, Garndolbenmaen, Gwynedd, LL51 9TZ
- 6.1 miles from Porthmadog
- Complete Safety & Glazing
- 01766 819070 - The Old Exch, Chiowlog, LL53 6SH
- 20.8 miles from Porthmadog
- Jones
- 01758 730282 - Yr Ynys, Mynytho, LL53 7SN
- 20.8 miles from Porthmadog
- Llyn Joinery
- 01758 701698 - 1 Fron Oleu, Ffordd Caernarfon, Pwllheli, Gwynedd, LL53 5LN
- 20.8 miles from Porthmadog
- Decor Centre
- 0845 3736639 - Harbourside, Pwllheli, Gwynedd, LL53 5YR
- 20.8 miles from Porthmadog