- Eaden Homes
- 01407 765603 - Berwyn Porthdafarch Rd, Holyhead, Gwynedd, LL65 2SA
- James Fearon
- 01407 765200 - Cleveland Avenue, Holyhead, Gwynedd, LL65 2LB
- Joseph Keegan
- 01407 762333 - Cleveland Avenue, Holyhead, Gwynedd, LL65 2LB
- Mon Properties
- 01407 763377 - 2 Market Street, Holyhead, Gwynedd, LL65 1UL
- Mon Property Services
- 01407 832772 - Mona Street, Amlwch, Gwynedd, LL68 9AN
- R J Parry Maintenance Company
- 01407 710015 - Rhyddid Cemlyn, Ynys Mon, LL67 0EA