| GREEN ROOF SYSTEMS | AAC WATERPROOFING LTD |
| ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| DELTA MEMBRANE SYSTEMS LTD |
| GRASS CONCRETE LTD |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| TATA STEEL UK |
| TOR COATINGS LIMITED |
| GREEN ROOF SYSTEMS Curved Roofs | AAC WATERPROOFING LTD |
| GREEN ROOF SYSTEMS Drainage and Water Storage Elements | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Drainage Channels | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| HAURATON LTD |
| ICB GROUP |
| GREEN ROOF SYSTEMS Drainage Inspection Boxes | ICB GROUP |
| GREEN ROOF SYSTEMS Drainage Membranes | DELTA MEMBRANE SYSTEMS LTD |
| ICB GROUP |
| MACCAFERRI LTD |
| NEWTON WATERPROOFING SYSTEMS |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Drainage Outlets | ALUMASC WATER MANAGEMENT SOLUTIONS |
| GREEN ROOF SYSTEMS Fertilizer Nutrients | ICB GROUP |
| GREEN ROOF SYSTEMS Filtration Layers | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Insulation | RADMAT BUILDING PRODUCTS LTD |
| GREEN ROOF SYSTEMS Kerbs Edges | DANI ALU UK LTD |
| ICB GROUP |
| GREEN ROOF SYSTEMS Moisture Retention Mats | DELTA MEMBRANE SYSTEMS LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Pitched Roofs | AAC WATERPROOFING LTD |
| ICB GROUP |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Protective Moisture Mats | DELTA MEMBRANE SYSTEMS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Rainwater Management Systems | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ICB GROUP |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Reservoir Boards | ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Retrofit | GRASS CONCRETE LTD |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| GREEN ROOF SYSTEMS Sedum Plugs | TOR COATINGS LIMITED |
| GREEN ROOF SYSTEMS SUDS | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| RADMAT BUILDING PRODUCTS LTD |
| GREEN ROOF SYSTEMS Vegetation Mats | GRASS CONCRETE LTD |
| ICB GROUP |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Water Flow Reducing Layers | RADMAT BUILDING PRODUCTS LTD |
