- Anglesey Homes
- 0845 3736600 - Tan Y Felin, Llangoed, Beaumaris, Gwynedd, LL58 8TB
- Caernarfon Castle CADW
- 01286 677617 - Caernarfon Road, Beddgelert, Caernarfon, Gwynedd, LL55 4UY
- Excelsior Commercial & Industrial Holdings
- 01248 811526 - Laird Ltd, Llanfaes, LL58 8HY
- Farmers Marts
- 01678 520490 - Smithfield Bldg, Bala, Gwynedd, LL23 7AH
- Simon Jones
- 01248 421904 - Tyddyn Rhydd, Gaerwen, Gwynedd, LL60 6HQ
- Kimberley Gulf
- 01286 672430 - Unit A6 Peblig Industrial Pk, Caernarfon, Gwynedd, LL55 2SE
- Lloyd Williams & Hughes
- 0870 8148359 - Bryncir Auction Cntr, Bryncir, Garndolbenmaen, Gwynedd, LL51 9LX
- Llys Dulas Estate
- 01248 410402 - Keepers Ldg, Dulas, Gwynedd, LL70 9LQ
- Lord Harlech, The Glyn Estate Office
- 01766 781130 - Glyn Hall, Talsarnau, Gwynedd, LL47 6TE
- Mon Property Services
- 01407 763377 - Glanhwfa Rd, Llangefni, LL77 7EW
- Charles Owens
- 01248 430071 - Y Wern, Brynsiencyn, Llanfairpwllgwyngyll, Gwynedd, LL61 6UR
- Pritchards Property Consultants
- 01248 751223 - 2 Church Street, Caernarfon, Gwynedd, LL55 1SW
- Gwyn Roberts
- 01248 602244 - Maes Yr Hedydd, Tal Y Cae, Tregarth, Bangor, Gwynedd, LL57 4AE
- J Hughes
- 01248 421350 - Llys Awel Lon Groes, LL60 6DF
- Camino Cleaning And Preoerty Management
- 01766 762331 - Gellidywyll, Llan Ffestiniog, Gwynedd, LL41 4RA