| VENTILATION UNITS | DOMUS VENTILATION |
| EXYTE HARGREAVES LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| NATIONAL DOMELIGHT COMPANY |
| TIMLOC BUILDING PRODUCTS |
| TROX UK LTD |
| UBBINK UK LTD |
| WYKAMOL GROUP LTD |
| VENTILATION UNITS Box Fan Units | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VENTILATION UNITS Central Extract Systems | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VENTILATION UNITS Cleanroom | TROX UK LTD |
| ZEHNDER LTD |
| VENTILATION UNITS Continuous Mechanical Extract Systems MEV | DOMUS VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VENTILATION UNITS Facade Ventilation Units | TROX UK LTD |
| VENTILATION UNITS Heat Recovery | DOMUS VENTILATION |
| EXYTE HARGREAVES LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| LINDAB LTD |
| OMNIE UNDERFLOOR HEATING |
| TROX UK LTD |
| UBBINK UK LTD |
| WYKAMOL GROUP LTD |
| ZEHNDER LTD |
| VENTILATION UNITS MVHR Units | DOMUS VENTILATION |
| EXYTE HARGREAVES LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| LINDAB LTD |
| OMNIE UNDERFLOOR HEATING |
| TROX UK LTD |
| UBBINK UK LTD |
| WYKAMOL GROUP LTD |
| ZEHNDER LTD |
| VENTILATION UNITS Positive Input Ventilation Units (PIV) | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| SOVEREIGN CHEMICALS LTD |
| TRITON SYSTEMS |
| VENTILATION UNITS Under Floor Units | TROX UK LTD |
| VENTILATION UNITS Under Sill Units | TROX UK LTD |
| VENTILATION UNITS Window Integrated | SCHUECO UK LTD |
