Pantgwyn Quarry Glanrhyd Moylegrove Cardigan SA43 3PD

Seth Hill & Son Ltd Bonvilston Cardiff CF5 6TQ

W Clifford Watts Ltd Burton Agnes Driffield East Yorkshire YO25 8HY

JKR Quarries & Concrete Products Ltd South Deeside Road Durries Aberdeenshire AB31 6BA

Tarmac Nairn Highland IV12 5QN

Leiths (Scotland) Ltd Dufftown Keith Moray AB55 4DL

194 Bromford Lane Birmingham West Midlands B24 8DL

Misson Sand & Gravel Ltd High Common Road Austerfield South Yorkshire DN10 6HA

Smith Aggregates and Builders Merchants Ltd Buckingham Road Deanshanger Milton Keynes MK19 6JT

Land Logical Ltd Thorney Peterborough Cambridgeshire PE6 0QN

Caplich Quarry Alness Ross-shire IV17 0XU

Heidelberg Materials Aggregates Coldstones Quarry Greenhow Hill Pateley Bridge Harrogate HG3 5JQ

Gartsherrie Road Coatbridge North Lanarkshire ML5 2EU

112 Montague Street Birmingham B9 4BA

Naylor Drainage Ltd Huddersfield Road Skelmanthorpe Huddersfield

Main Street Minskip Boroughbridge North Yorkshire YO51 9JF

Wood Lane Kniveton Ashbourne Derbyshire DE6 1JF

Folkes Road Stourbridge West Midlands DY9 8RG

Bott Lane Stourbridge West Midlands DY9 7AW

Breedon Southern Waterloo Industrial Estate Pembroke Dock Pembrokeshire SA72 6UA

Tarmac Ltd The Old Dockyard Commercial Row Pembroke Dock Pembroke SA72 6JU

Heidelberg Materials Aggregates Penderyn Aberdare Rhondda Cynon Taff CF44 0TX

The Haulage Yard Dial Post Nr Horsham West Sussex RH13 8NY

Pigsdon Quarry Launcells Bude Cornwall EX23 9LQ

Heidelberg Materials Aggregates Bangor Road Penmaenmawr Conwy LL34 5NA

John MacLachlan Quarries Ltd (Argyll Resources Group) Pennygown Isle of Mull PA72 6JN

Emborough Aggregate Recycling The Old Quarry Wells Road Emborough Somerset BA3 4SD

Welsh Slate (Part of the Breedon Group) Bethesda Bangor Gwynedd LL57 4YG

Breedon Northern Gilwilly Industrial Estate Penrith Cumbria CA11 9BN

Aggregate Industries Longdowns Halvasso Penryn Cornwall TR10 9BZ

Middleton Aggregates Ltd Abbey Farm Pentney King's Lynn Norfolk PE32 1JT

TG Aggregates Lon Allt Goch Penygroes Gwynedd LL54 6NS

Aggregate Industries Castle-an-Dinas Quarry Gulval Penzance Cornwall TR20 8AG

Aggregate Industries 209 Walsall Road Perry Barr Birmingham West Midlands B42 1TY

170 Dundrum Road Newcastle Co. Down BT33 0LN

CEMEX UK Terrace Road Pinvin Industrial Estate Pershore Worcestershire WR10 2DW