[METAL]
British Contructional Steelwork Association
British Stainless Steel Association
Council for Aluminium in Building
The Lead Sheet Association
Copper Development Association
Zinc Information Center
[GLASS]
British Glass Association
Glass and Glazing Federation
Construction Glassfibre Manufacturers Association
Guardian Glass
Glazing Vision Ltd
[POLYMERS]
British Plastics Federation
Plastic Pipes Group
Industrial Fabrics Association International
Fabric Architecture
[STONE]
Stone Federation GB
[CLAY]
The Brick Development Association
Wienerberger Brick
[CONCRETE]
The Concrete Society
The Concrete Centre
The Tactility Factory
This is Concrete
Sustainable Concrete
Glassfibre Reinforced Concrete Association International
[TIMBER]
Timber Research and Development Association
Scottish Timber Trade Association
Hardwood and Plywood Veneer Association
Timber in Construction
UK Timber Frame Association