| Airflow Airconditioning Limited - St. Sidwells - Pl15 8UA |
| Atlantic Air Conditioning - 28 Market CourtMarket St - PL15 8XA |
| Bennett Industrial Heating - Trekenner - PL15 8QG |
| Cornwall Cooling - Bolankan /Crowan - TR14 9ND |
| Heatexchangers South West Ltd - 4E Carminnow Road - PL31 1EP |
| Home Ventilation - The Square - TR2 4DS |
| Kensa Air Conditioning - Chough Close - TR11 4RT |
| Kivell Cooling & Electrical Ltd - Quarry Crescent - PL15 7PF |
| P W B Industrial Heating Services Ltd - Woodlands - PL15 9LH |
| Pall Industrial Hydraulics (Redruth) Ltd - Cardrew Industrial Estate - TR15 1SS |
| Stralfors Ltd - Tregoniggie Industrial Estate - TR11 4RR |
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