Berwyn Slate Quarry Ltd

The Old Slate Depot, Llanrwst Road, Conwy, LL28 5TH

59 Oakenshaw Lane, Walton, Wakefield, WF2 6NJ

Unit 1, Cae Pawb, Off Madoc Street, Porthmadog, Wales, LL49 9DU

Rockingham South, Smoke Lane, Avonmouth, Bristol, BS11 0YT

Middle Hill, Haverfordwest, SA624LD

Swanworth Quarry, Swanage, BH19 3LE

Unit 6 east side Cambrian ind.est, Coed cae lane, Pontyclun, CF72 9EW

Brea Granite Works, Camborne, TR14 9AT

Molesworth, Huntingdon, Cambridgeshire, PE28 0QG

OX9 3UN