| CLIMATE CONTROL | DANFOSS LTD |
| EXYTE HARGREAVES LTD |
| GDHV COOLING - GLEN DIMPLEX HEATING & VENTILATION |
| GDHV HEATING - GLEN DIMPLEX HEATING & VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| LINDAB LTD |
| SE CONTROLS |
| STOKVIS ENERGY SYSTEMS |
| TROX UK LTD |
| UBBINK UK LTD |
| CLIMATE CONTROL Air Conditioning | DANFOSS LTD |
| GDHV COOLING - GLEN DIMPLEX HEATING & VENTILATION |
| LINDAB LTD |
| TROX UK LTD |
| VAILLANT LTD |
| CLIMATE CONTROL Air Handling Systems | DOMUS VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| TROX UK LTD |
| ZEHNDER LTD |
| CLIMATE CONTROL Air Movement | SE CONTROLS |
| CLIMATE CONTROL Air Ventilation Systems | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| GEZE UK LTD |
| LINDAB LTD |
| SE CONTROLS |
| TROX UK LTD |
| ZEHNDER LTD |
| CLIMATE CONTROL Automatic | DANFOSS LTD |
| SE CONTROLS |
| CLIMATE CONTROL Chilled Beams | LINDAB LTD |
| TROX UK LTD |
| CLIMATE CONTROL Cooling Systems | DANFOSS LTD |
| GDHV COOLING - GLEN DIMPLEX HEATING & VENTILATION |
| LINDAB LTD |
| SE CONTROLS |
| ZEHNDER LTD |
| CLIMATE CONTROL Facade Systems | LINDAB LTD |
| CLIMATE CONTROL Heat Pumps | ADVECO LTD |
| FORTERRA BUILDING PRODUCTS LIMITED |
| GAIA CLIMATE SOLUTIONS LTD |
| GDHV HEATING - GLEN DIMPLEX HEATING & VENTILATION |
| KINGSPAN Hot Water Cylinders |
| OMNIE UNDERFLOOR HEATING |
| SCHUECO UK LTD |
| VAILLANT LTD |
| VIESSMANN LTD |
| CLIMATE CONTROL Heating and Cooling Units | GDHV COOLING - GLEN DIMPLEX HEATING & VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| JAGA UK |
| LINDAB LTD |
| ZEHNDER LTD |
| CLIMATE CONTROL Heating Units | DANFOSS LTD |
| GDHV HEATING - GLEN DIMPLEX HEATING & VENTILATION |
| JAGA UK |
| STOKVIS ENERGY SYSTEMS |
| TROX UK LTD |
| CLIMATE CONTROL HVAC Heating/Cooling/Ventilation Systems: | AGGREGATE INDUSTRIES UK LTD |
| GDHV HEATING - GLEN DIMPLEX HEATING & VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| JAGA UK |
| LINDAB LTD |
| SE CONTROLS |
| ZEHNDER LTD |
| CLIMATE CONTROL Passive Cooling Systems | LINDAB LTD |
| TROX UK LTD |
| VAILLANT LTD |
| CLIMATE CONTROL Thermal Stores Storage Mass | AGGREGATE INDUSTRIES UK LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| CLIMATE CONTROL Ventilation | EXYTE HARGREAVES LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| GEZE UK LTD |
| LINDAB LTD |
| SE CONTROLS |
| TROX UK LTD |
| UBBINK UK LTD |
| ZEHNDER LTD |
