| Black Tulip Home Maintenance Ltd - 82 St. Ina Rd - CF14 4LT |
| Boiler Plant Maintenance (Cardiff) Ltd - East Moors Rd - CF24 5EE |
| ClaimHere.com - Churchill Way - CF10 2TT |
| Cosywarm - 30 St. Francis Rd - CF14 1AW |
| Energy Saving Trust - Albion House - CF15 7TR |
| Heat & Combustion Supplies Ltd - Unit 2/Malvern Dr - CF14 5DR |
| Kitchen Economy - 67-69 Broadway - CF24 1QE |
| Roath Engineering Ltd - Dacon House - CF24 4JX |
| Servowarm Gas Heating Services Ltd - 19 Heol-Y-Deri - CF14 6HA |
| Soloheat - 35a Romilly Crescent - CF11 9NP |
| Swalec - Cardiff Gate Business Park Pontprennau - CF23 8AU |
| Taylor Products Ltd - Unit 5/6/Curran Rd - CF10 5DF |
| The Carbon Trust Wales - Albion House - CF15 7TR |
| Western Automation - Western House - CF23 9AQ |
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