| VENTILATION LOUVRES | CAVITY TRAYS LTD |
| COMPLETE FIRE PROTECTION LTD |
| DOMUS VENTILATION |
| EXYTE HARGREAVES LTD |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| NATIONAL DOMELIGHT COMPANY |
| ROBUST UK LTD |
| ROCBURN LTD |
| SE CONTROLS |
| SMOKE VENTS |
| TIMLOC BUILDING PRODUCTS |
| TROX UK LTD |
| VERPLAS LTD |
| VENTILATION LOUVRES Acoustic | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| SE CONTROLS |
| VENTILATION LOUVRES Adjustable | HUNTER DOUGLAS SUN CONTROL & FACADES |
| SE CONTROLS |
| VENTILATION LOUVRES Aluminium | ROCBURN LTD |
| SE CONTROLS |
| SMOKE VENTS |
| VENTILATION LOUVRES Controlled Domestic | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VENTILATION LOUVRES Controlled Industrial / Commercial | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| NATIONAL DOMELIGHT COMPANY |
| ROCBURN LTD |
| SE CONTROLS |
| SMOKE VENTS |
| VENTILATION LOUVRES EN 12101-2:2003 | ROCBURN LTD |
| SE CONTROLS |
| SMOKE VENTS |
| VENTILATION LOUVRES Fixed Domestic | DOMUS VENTILATION |
| GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| VERPLAS LTD |
| VENTILATION LOUVRES Fixed Industrial | GDHV VENTILATION - GLEN DIMPLEX HEATING & VENTILAT |
| HUNTER DOUGLAS SUN CONTROL & FACADES |
| ROBUST UK LTD |
| VENTILATION LOUVRES Glass | SE CONTROLS |
| SMOKE VENTS |
| VENTILATION LOUVRES Glazed Window Louvres | SMOKE VENTS |
| VENTILATION LOUVRES Hit and Miss | TIMLOC BUILDING PRODUCTS |
| VENTILATION LOUVRES Intumescent | COMPLETE FIRE PROTECTION LTD |
| VENTILATION LOUVRES Metal Domestic | TIMLOC BUILDING PRODUCTS |
| VENTILATION LOUVRES Metal Industrial | ROBUST UK LTD |
| VENTILATION LOUVRES Pressure Relief Industrial | SE CONTROLS |
| VENTILATION LOUVRES Smoke Release | NATIONAL DOMELIGHT COMPANY |
| ROCBURN LTD |
| SE CONTROLS |
| SMOKE VENTS |
| TATA STEEL UK |
| VENTILATION LOUVRES Stairwell | SE CONTROLS |
| VENTILATION LOUVRES Weather Resistant | HUNTER DOUGLAS SUN CONTROL & FACADES |
| SE CONTROLS |
| TROX UK LTD |
