| GREEN ROOF SYSTEMS | AAC WATERPROOFING LTD |
| ABG LTD |
| ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| DELTA MEMBRANE SYSTEMS LTD |
| GRASS CONCRETE LTD |
| ICB (WATERPROOFING) LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| SOPREMA UK |
| TATA STEEL |
| TOR COATINGS LIMITED |
| VERDANT SOLUTIONS LTD |
| GREEN ROOF SYSTEMS Curved Roofs | AAC WATERPROOFING LTD |
| GREEN ROOF SYSTEMS Design, Installation and Maintenance | VERDANT SOLUTIONS LTD |
| GREEN ROOF SYSTEMS Drainage and Water Storage Elements | ABG LTD |
| ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| DALLMER LTD |
| DELTA MEMBRANE SYSTEMS LTD |
| ICB (WATERPROOFING) LTD |
| KINGSPAN Wastewater Management |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Drainage Channels | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| HAURATON LTD |
| ICB (WATERPROOFING) LTD |
| GREEN ROOF SYSTEMS Drainage Inspection Boxes | ICB (WATERPROOFING) LTD |
| GREEN ROOF SYSTEMS Drainage Membranes | DELTA MEMBRANE SYSTEMS LTD |
| ICB (WATERPROOFING) LTD |
| MACCAFERRI LTD |
| NEWTON WATERPROOFING SYSTEMS |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| SOPREMA UK |
| TRITON SYSTEMS |
| WYKAMOL GROUP LTD |
| GREEN ROOF SYSTEMS Drainage Outlets | ALUMASC WATER MANAGEMENT SOLUTIONS |
| GREEN ROOF SYSTEMS Engineered Growing Media | ABG LTD |
| GREEN ROOF SYSTEMS Fertilizer Nutrients | ICB (WATERPROOFING) LTD |
| GREEN ROOF SYSTEMS Filtration Layers | ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ICB (WATERPROOFING) LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA SARNAFIL |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Insulation | RADMAT BUILDING PRODUCTS LTD |
| GREEN ROOF SYSTEMS Kerbs Edges | DANI ALU UK LTD |
| ICB (WATERPROOFING) LTD |
| GREEN ROOF SYSTEMS Moisture Retention Mats | DELTA MEMBRANE SYSTEMS LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Pitched Roofs | AAC WATERPROOFING LTD |
| ICB (WATERPROOFING) LTD |
| SIKA LIQUID PLASTICS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Protective Moisture Mats | DELTA MEMBRANE SYSTEMS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Rainwater Management Systems | ABG LTD |
| ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| ICB (WATERPROOFING) LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Reservoir Boards | ICB (WATERPROOFING) LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Retrofit | GRASS CONCRETE LTD |
| ICB (WATERPROOFING) LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| GREEN ROOF SYSTEMS Sedum Plugs | ABG LTD |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| TOR COATINGS LIMITED |
| GREEN ROOF SYSTEMS SUDS | ABG LTD |
| ACO TECHNOLOGIES PLC - BUILDING DRAINAGE |
| RADMAT BUILDING PRODUCTS LTD |
| GREEN ROOF SYSTEMS Vegetation Mats | ABG LTD |
| GRASS CONCRETE LTD |
| ICB (WATERPROOFING) LTD |
| RADMAT BUILDING PRODUCTS LTD |
| SIKA LIQUID PLASTICS LTD |
| SIKA SARNAFIL |
| SOPREMA UK |
| GREEN ROOF SYSTEMS Water Flow Reducing Layers | RADMAT BUILDING PRODUCTS LTD |
