- A.F.G Engineering
- 01685 871100 - Cambrian Bldgs Canal Road, Cwmbach, Aberdare, Vale Of Glamorgan, CF44 0AE
- All Fuels Maintenance
- 01443 410048 - 23 Heol-y-Glyn, Treharris, Vale Of Glamorgan, CF46 5RX
- Avondale Heating
- 01443 683662 - 15 Avondale Court, Porth, Vale Of Glamorgan, CF39 9NH
- Bedford Engineering Services
- 01685 350798 - Blanche Ho Cross Blanche St, Dowlais, Merthyr Tydfil, Vale Of Glamorgan, CF48 3PD
- Domestic Appliance Centre
- 01685 388877 - 14-15 Pontmorlais, Merthyr Tydfil, Vale Of Glamorgan, CF47 8UB
- David A Drew
- 0870 8147739 - 17 Francis Street, Dowlais, Merthyr Tydfil, Vale Of Glamorgan, CF48 3SE
- Excelsior Homecare
- 01495 307800 - Unit 38, Rassau Industrial Estate, Rassau, Ebbw Vale, Gwent, NP23 5SD
- Gap Plumbing & Heating Services
- 0870 8148358 - 85 Pwll Yr Allt, Tir-y-Berth, Hengoed, Vale Of Glamorgan, CF82 8FR
- Gareth Lane Plumbing & Heating
- 01443 442878 - 16 Bryn Terrace, Ystrad, Pentre, Vale Of Glamorgan, CF41 7RX
- Gasco Pontypridd
- 01443 486424 - 1 Whiterock Close, Pontypridd, Vale Of Glamorgan, CF37 2EN
- W.P Kelland
- 01443 412030 - 24 The Oaks, Quakers Yard, Treharris, Vale Of Glamorgan, CF46 5HQ
- W Lewis
- 01443 731852 - 16 Rhondda Fechan Fm Est, Ferndale, Vale Of Glamorgan, CF43 4LX
- A.J Lovell
- 01443 831456 - 13 Park Crescent, Bargoed, Vale Of Glamorgan, CF81 8PL
- J.C Matthews
- 01443 831869 - Glynmarch Street, Deri, Bargoed, Vale Of Glamorgan, CF81 9HZ
- Real Fires
- 01443 480975 - Nile Road, Pontypridd, Vale Of Glamorgan, CF37 1BW
- Wynne Rudge
- 01443 831992 - The Laurels Aberbargoed, Aberbargoed, Bargoed, Vale Of Glamorgan, CF81 9BX
- Sellitasitis.co.uk
- 01685 388252 - Unit 3, Pant Industrial Estate, Dowlais, Merthyr Tydfil, Vale Of Glamorgan, CF48 2SR
- Technigas Services
- 01495 313440 - 234 King Street, Brynmawr, Ebbw Vale, Gwent, NP23 4RG
- Valley Heating Ltd
- 01443 831857 - 22 Hanbury Road, Bargoed, Vale Of Glamorgan, CF81 8QT
- J.A Woods
- 01443 682841 - 16 Station Road, Ynyshir, Porth, Vale Of Glamorgan, CF39 0HA
- Ian Wright
- 01443 741327 - 34 Fife Street, Abercynon, Mountain Ash, Vale Of Glamorgan, CF45 4TU
- Garry Williams Gas Service Engineer
- 01685 878364 - 22 Maes-Deri, Aberdare
- D.jones
- 01656 841188 - 49, Llys Cynon, Hirwaun, Aberdare, CF44 9PR
- Aquacare
- 01443 476984 - 30 The Triangle, Mountain Ash, Mid Glam, CF45 4BA
- Graft Heating Solutions
- 01685 359892 - 6 Winifred St Dowlais, Merthyr Tydfil, Mid Glam, CF48 3SD