| VENTILATORS Acoustic | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| TIMLOC BUILDING PRODUCTS |
| VENTILATORS Door | DOMUS VENTILATION |
| VENTILATORS Draught Reducing | TIMLOC BUILDING PRODUCTS |
| VENTILATORS Gas Combustion / Gas Heat Producing Appliances | CAVITY TRAYS LTD |
| TIMLOC BUILDING PRODUCTS |
| VENTILATORS Heat Exchange | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| TROX UK LTD |
| ZEHNDER LTD |
| VENTILATORS Heat Recovery | DOMUS VENTILATION |
| EXYTE HARGREAVES LTD |
| FLÄKTGROUP UK LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| UBBINK UK LTD |
| ZEHNDER LTD |
| VENTILATORS Low Energy | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VENTILATORS Passive Air Input Units | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| SE CONTROLS |
| UBBINK UK LTD |
| ZEHNDER LTD |
| VENTILATORS Plinth | DOMUS VENTILATION |
| VENTILATORS Smoke Control | BILCO UK LTD |
| EXYTE HARGREAVES LTD |
| FAKRO GB LTD |
| FLÄKTGROUP UK LTD |
| GEZE UK LTD |
| LINDAB LTD |
| NATIONAL DOMELIGHT COMPANY |
| SCHUECO UK LTD |
| SE CONTROLS |
| SMOKE VENTS |
| TATA STEEL UK |
| VENTILATORS Through Wall Ventilation | CAVITY TRAYS LTD |
| MAPEI UK LTD - WATERPROOFING AND CONCRETE REPAIRS |
| TIMLOC BUILDING PRODUCTS |
| VENTILATORS Underfloor | CAVITY TRAYS LTD |
| HAMBLESIDE DANELAW LTD |
| KLOBER LTD |
| TIMLOC BUILDING PRODUCTS |
| TROX UK LTD |
| ZEHNDER LTD |
| VENTILATORS Wall | CAVITY TRAYS LTD |
| DOMUS VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| TIMLOC BUILDING PRODUCTS |
| VENTILATORS Worktop | DOMUS VENTILATION |
