- B & T Heating
- 029 20514652 - 41 Longmeadow Drive, Dinas Powys, Vale Of Glamorgan, CF64 4TB
- Blue Flame
- 01443 207771 - 82 Parish Road, Beddau, Pontypridd, Vale Of Glamorgan, CF38 2BU
- Boiler Plant Maintenance (Cardiff)
- 029 20463600 - Star Sheet Metal Wks Limited East Moors Rd, Cardiff, Vale Of Glamorgan, CF24 5EE
- Keith Bundy
- 01443 208389 - 52 Clos Myddlyn, Beddau, Pontypridd, Vale Of Glamorgan, CF38 2JT
- Cardiff & Vale Gas Services
- 029 20593523 - 11 Deepdene Close, Cardiff, Vale Of Glamorgan, CF5 4SB
- Controls Center (Heating Controls & Spares, Cardiff)
- Unit 7 Brickyard Business Pk, Cardiff, Vale Of Glamorgan, CF14 3AT
- Cosywarm Heating & Plumbing
- 029 20615111 - 30 St. Francis Rd, Cardiff, CF14 1AW
- Decorative Heating
- 029 20522000 - 121 Heol Llanishen Fach, Cardiff, Vale Of Glamorgan, CF14 6RE
- Decorative Heating
- 029 20811478 - The Ton Garage Merthyr Rd, Tongwynlais, Cardiff, Vale Of Glamorgan, CF15 7XW
- Gas Heating Services
- 029 20481581 - 112 Albany Road, Cardiff, Vale Of Glamorgan, CF24 3RU
- Flame'N'Grate
- 01446 744788 - 99-100 High Street, Barry, Vale Of Glamorgan, CF62 7DS
- Heating Components
- 029 20372834 - 344 Cowbridge Rd East, Cardiff, Vale Of Glamorgan, CF5 1HD
- Heating & Plumbing Maintenance
- 029 20764279 - 3 Fishguard Close, Llanishen, Cardiff, Vale Of Glamorgan, CF14 5QF
- Heating Spares Distributors
- 029 20861484 - Station Htl Nantgarw Rd, Caerphilly, Vale Of Glamorgan, CF83 1AQ
- Lectroheat Industrial Heating Ltd
- 029 20889300 - Unit 16, Pantglas Industrial Estate, Bedwas, Caerphilly, Vale Of Glamorgan, CF83 8DR
- B.I Matthews
- 029 20471832 - 127 Cyfarthfa Street, Cardiff, Vale Of Glamorgan, CF24 3HG
- Rouch Bros Plumbing & Heating
- 029 20702741 - 147 Redlands Road, Penarth, Vale Of Glamorgan, CF64 2QP
- S W Heating Equipment Ltd
- 029 20237654 - 98 Holmesdale Street, Cardiff, Vale Of Glamorgan, CF11 7BU
- Taylor Products Ltd
- 029 20384416 - Unit 5 Curran Bldgs Curran Rd, Cardiff, Vale Of Glamorgan, CF10 5NE
- Western Heating & Plumbing
- 029 20734381 - 1 Hollybush Heights, Cardiff, Vale Of Glamorgan, CF23 7HF
- Kevin Sampson
- 01443 774675 - 76 Blaencwm Terrace, 16, CF42 5NE
- Chess Wales
- 01446 739926 - Palmerston Workshops Palmerston Rd, Barry, Vale Of Glamorgan, CF63 2YZ
- Capital Plumbing & Heating
- 029 20578268 - 20 Mylo Griffiths Close, Cardiff, Vale Of Glamorgan, CF5 2RQ
- Gaspack Services
- 01443 844608 - CF37 5SX
- Heating & Plumbing Warehouse
- 029 20498035 - Jubilee Trdg Est East Tyndall St, CF24 5EF
- SJH Plumbing & Heating
- 0845 8324323 - 20 Cwlwm Cariad Pencoedtre Village, Barry, South Glamorgan
- Wolseley
- 029 20491595 - 380 Newport Road, Cardiff, South Glamorgan, CF23 9AE
- Rob Simpson Heating
- 07739 562507 - Goleufryn Beadon Street, Mountain Ash, Mid Glamorgan, CF45 3RP
- M H Plumbing
- 07817 458137 - 19 Nightingale Place Dinas, Cardiff, CF64 4RB
- Piping Hot Plumbing And Heating Engineers
- 07790 129599 - 1 Sable Close, Lisvane Cardiff, South Glamorgan, CF14 0GF
- Bt Morgan Heating Engineer
- 029 20659906 - 55 Pantmawr Road, Cardiff, Glamorgan, CF14 7TB
- Rouch Bros
- 0845 1891890 - 7 Cwrt Aethen, BARRY, CF63 1HE
- Klm Plumbing & Heating Services
- 029 20195609 - 77 Caernarvon Way, Cardiff, South Glamorgan, CF3 1RW
- The Gas Safety Co
- 0800 9554774 - 42 Stanwell Road, PENARTH, CF64 2EY
- DWJ Mechanical Ltd
- 0845 1840107 - D W J Mechanical Ltd 20a, Cardiff, CF14 1UA
- Affordable Gas Services
- 0800 3357571 - Cardiff
- Warm Care
- 07989 133047 - 55 William Belcher Drive St. Mellons, Cardiff, CF3 0NZ
- Rhondda Gas
- 0845 8157766 - 92 Tynybedw Terrace, Treorchy, CF42 6RL
- L P G Wales
- 0845 3473348 - Unit 3 Lamby Workshops Lamby Way, Cardiff, CF3 2EQ
- Piping Hot Cookers
- 0845 6436145 - Daventry
- Piping Hot Cookers
- 0845 6436145 - 34 Townsend Lane Upper Boddington, Daventry, NN11 6DR
- Piping Hot Cookers
- 0845 6436145 -
- Gas Peace Of Mind Ltd
- 029 21432065 - 53 Alexandra Road, Cardiff, Cardiff, CF5 1NT