- Anglesey Landscapes
- 01248 852995 - 1 Craig Y Don Estate, Benllech, Tyn-y-Gongl, Gwynedd, LL74 8TB
- Gwynedd Tree Services
- 01758 730332 - Tyddyn Du, Sarn, Pwllheli, Gwynedd, LL53 8EY
- Hortus Monensis Garden Design
- 01248 717477 - 51 High Street, Menai Bridge, Gwynedd, LL59 5EF
- D & G Owen
- 01248 440469 - Penwal, Newborough, Llanfairpwllgwyngyll, Gwynedd, LL61 6RS
- Richard Owen
- 01248 410236 - Dafarn Rhos Fm, Moelfre, Gwynedd, LL72 8NN
- Medwyn Rees
- 01678 521386 - Aberhirnant Hall, Rhosygwalia, Bala, Gwynedd, LL23 7EY
- Star Nurseries
- 01248 717797 - Star, Gaerwen, Gwynedd, LL60 6AN
- Tree Services
- 01766 771164 - Croesor, Penrhyndeudraeth, Gwynedd, LL48 6SR
- Treevolution
- 01766 890495 - Swyddfa'r Stabl, Nant Gwynant, Caernarfon, Gwynedd, LL55 4NW
- D & S Garden Services
- 028 91479588 - 9 Cranley, Bangor, Wales, BT19 7BZ
- Menter Fachwen
- 01286 871979 - London Ho, Cwm-y-Glo, Caernarfon, Gwynedd, LL55 4DT
- A To B Contractors
- 01766 530436 - Garndolbenmaen, Gwynedd, LL51 9HX
- Gerddi Cain Gardens
- 01248 410442 - Cae Marl, Moelfre, Anglesey, LL72 7NE
- Gwynedd Landscapes
- 01286 673434 - 17 Caer Garreg, Caernarfon, Gwynedd, LL55 2DT
- Chase Garden & Property Services
- 01758 613856 - Y Bont Bridd, Llannor, Pwllheli, LL53 5UP
- Gwasanaethau Garddio Gorwel Gardening Services
- 01286 650761 - Gorwel, Waunfawr Caernarfon, Gwynedd, LL55 4YY
- Nick Cranham Tree Services & Garden Maintenance Est. 1996
- 01286 880927 - 1 Petris, Talysarn, Caernarfon, Gwynedd, LL54 6BA
- Nick Cranham Tree Services
- 01286 880927 - Beatrice Square, Caernarfon, Gwynedd, LL54 6BA
- N Cranham
- Beatrice Square, Caernarfon, Gwynedd, LL54 6BA