| Burner Tech - unit 2 a Osman House - BL1 2NP |
| All Cool Air Conditioning Services Ltd - Unit 2, Comtech Business Park - BL5 3QY |
| All Group Services - Unit 2/Comtech Business Park/Manchester Rd - BL5 3QY |
| Arctic Refrigeration Co - 36 Bath St - BL1 2DJ |
| Autem Ltd - Bradley Fold Trading Estate - BL2 6RP |
| Bel Aircon - Unit 27 Bolton Enterprise Centre - BL3 5EY |
| Booth Imperial - Link House/Bolton Rd - BL4 9BT |
| CFANS LIMITED - 20 SOMERTON ROAD - BL2 6LJ |
| E.T.L Air Conditioning - Unit 15 Lyon Rd Ind Est Springfield Rd Kearsley - BL4 8NB |
| Ensol Limited - 344 St Helens Road - BL3 3RP |
| Fan-Master Environmental Products Ltd - Unit 2/Lever Bridge Mills - BL3 1RU |
| Hardman Maintenance Support - Lyon Rd Ind Est - BL4 8NB |
| Howorth Airtech Ltd - Victoria Works - BL4 7LZ |
| Jbc Control Systems Ltd - 9 Stirling Industrial Estate - BL6 6DU |
| M T M - 1 Withins Drive - BL2 5LF |
| Mach-Aire Ltd - Bridge Street - BL6 7BT |
| Simmons Technical Services - Hartford House/Weston St - BL3 2AW |
| T Jolly (Services) Ltd - Unit G - BL3 6NR |
| Tam Air Industry (UK) Ltd - 55 Winter Hey La - BL6 7NT |
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