Forterra Building Products Ltd 5 Grange Park Court Roman Way Northampton NN4 5EA Northamptonshire United Kingdom www.forterra.co.uk
Mannok Holdings 2nd Floor, 1-2 Victoria Buildings Haddington Road Dublin 4 DO4 XN32 United Kingdom www.mannokholdings.com
Tarmac Building Products Ltd i10 Building Railway Drive Wolverhampton WV1 1LH West Midlands United Kingdom www.tarmacbuildingproducts.co.uk
Thomas Armstrong Group Workington Road Flimby Maryport CA15 8RY Cumbria United Kingdom www.thomasarmstrong.co.uk