- George S Hall
- 01407 742408 - Portacabin RAF Valley, Valley, Holyhead, Gwynedd, LL65 3NY
- D Shorney
- 01407 740831 - Ewyn Y Don Maes Alaw, Valley, Holyhead, Gwynedd, LL65 3BA
- Taylor & Jones Plumbing & Heating
- 01407 760555 - 13 Rhos Y Gaer Avenue, Holyhead, Gwynedd, LL65 2BE
- Worthingtons Plumbing Services
- 07708 616696 - 8 Queens Park Holyhead, Gwynedd, LL65 1PP
- Anglesey Heating And Plumbing Services Ltd
- 0845 8325004 - 8 Brig Y Nant Llangefni, Anglesey, LL77 7QD
- 11.5 miles from Holyhead
- Monument Gas
- 0845 2632127 - Spion Kop Chapel Street, Penysarn, Gwynedd, LL69 9YE
- 12.7 miles from Holyhead