The Quarry Products Association is the trade association for companies involved in supplying crushed rock and sand and gravel from land and marine sources, asphalt and flexible paving, ready-mixed concrete, silica sand, agricultural lime, industrial lime, mortar, slag, recycled materials and construction and quarrying plant. In representing the interests of over 90% of the UK quarrying industry, we are the key national contact on every aspect of the UK quarrying industry.