| A.b.s - Radiant House 26 Gloucester Rd - BS35 3RY |
| AES RetrOfit - Unit 4 - BS2 0QD |
| Air Conditioning Centre - Airview Lodge/The Old Mill - BS31 3ER |
| Air Mechanics - 5a Union Street - BS1 2DD |
| Ander-Teknix - 91 High St - BS16 5HE |
| Aumuller UK Ltd - 6a Avon Gorge Industrial Estate - BS11 9LQ |
| Avon County Air Conditioning - 173 Soundwell Road - BS16 4RP |
| Avonaire - Unit 3 Barnack Trading Centre Novers Hill Bedminster - BS3 5QE |
| Building Energy Management & Control Ltd. - 2 Orchard Court - BS37 5GW |
| Cemac Building Services - 514 Filton Avenue - BS7 0QE |
| Clarcor (UK) Ltd - 55 High St - BS35 2AP |
| Climate Services - Unit 2/Stoke View Business Park/Stoke View Rd - BS16 3AE |
| Cool Rite Ltd - 65 High Street - BS36 1RA |
| Cool Therm (UK) Ltd - Unit 5 & 5C - BS30 5NA |
| Cooling Services Ltd - Airways - BS35 2JX |
| Cool-Right Ltd - High St - BS36 1RA |
| Fulton Boiler Works Ltd - 210 Broomhill Road - BS4 4TU |
| Hall's Auto Electrical Ltd - Unit 16 Dean Court - BS37 5NJ |
| Hesflo Installation Ltd. - 6 Dial Lane - BS16 5UH |
| Horizon International Ltd. - Willment Way - BS11 8DJ |
| HSS Hire Shops - 162 Bell Hill Rd., St. George - BS5 7NF |
| Hulse Heating - 22 Emery Road - BS4 5PF |
| J & E Hall Ltd - Unit 12/St Andrews Trading Estate - BS11 9YE |
| Jubilee Group Services - 196-198 Cheltenham Rd - BS6 5QZ |
| Keyplan Engineering Ltd - Unit 4 Stoke View Business Park - BS16 3AE |
| Koolair (UK) Ltd - Unit 9/Market Ind Est - BS49 4RF |
| Koolair UK Ltd - Unit 9 - BS49 4RF |
| MacWhirter Ltd - Unit 5/Stoke View Business Park/Stoke View Rd - BS16 3AE |
| Mitie Air Condtioning - Novers House - BS3 5QY |
| Mitsubishi Electric - 14 The Courtyard - BS32 4RW |
| Ozonair Hydronic - 71 High St - BS48 1AW |
| Part Engineering Ltd - Unit 701 Central Park - BS14 9BZ |
| Plumba.Co.Uk - 222 Wells Road - BS4 2AX |
| Rapid - Unit 6 - BS11 8DJ |
| Rapid Climate Control Ltd - Unit 6/Willment Way - BS11 8DJ |
| Rapid Heat & Building Equipment Ltd - Unit 6 - BS11 8DJ |
| Sky Vent Ltd - Unit C/Malago Vale Trading Est/St. Johns La - BS3 5BQ |
| Space Cooling Systems Ltd - Unit C/Causeway Central - BS4 3QB |
| Spreadair - Saville Ct Business Centre - BS8 4EJ |
| TEK Specialist Services Ltd - 523A Gloucester Road - BS7 8UG |
| The Air Conditioning Centre - Airview Lodge - BS31 3ER |
| Vent Tech - Unit 32 Bonville Business Centre - BS4 5QR |
| York International Ltd - Unit 17 - BS20 7XE |
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