| A A C Air Conditioning - 48 Field Rise - DE23 7DE |
| A L S (Sales & Service) Ltd - 5 Prestbury Cl - DE21 2LT |
| Air Conditioning Economics Ltd. - Unit 6 Tomlinson Industrial Estate - DE21 4ED |
| B.O.B. Stevenson Ltd - Coleman St - DE24 8NL |
| Batecool - 5 Hillside - DE65 6AZ |
| Clarke,Meadows & Lowe Ltd - 9 Redland Close - DE24 9PR |
| Clean Modules Ltd - Centre - DE73 1FT |
| Cryotech Systems Ltd - Prime Enterprise Park - DE1 3QB |
| ETTA Plumbing & Heating Services Ltd - Unit 28 - DE23 8LD |
| Frenger Systems Ltd - 13-15 Shaftesbury Street South - DE23 8YH |
| Heat Exchange Industries Ltd. - Osmaston Park Road - DE24 8BT |
| Ims Ltd - Millbank Close Mackworth - DE22 4HJ |
| JCS Group - Station Road - DE74 2FQ |
| Mitchell & Hewitt - Malcolm Street - DE23 8LT |
| Pennine H V A C - Unit 27A/Parker Ind Est/Mansfield Rd - DE21 4SZ |
| Pennine Hvac - 27A Parker Centre - DE21 4SZ |
| Star Refrigeration Ltd - Wincanton Close - DE24 8NB |
| Vahterus (UK) Ltd - 12-14 Derby Road - DE73 1FE |
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