The highest quality calcium carbonates for your business

CongCal, a division of McGraths Limestone (Cong) Ltd., brings over 50 years’ experience to the quarrying and processing of limestone products. Our calcium carbonate deposits are considered one of the purest in Ireland and the UK with 99.2% pure calcium carbonate. We supply customers in over 20 countries from Ireland and our depots in Scotland and Sweden, and a broad number of industries including the construction, glass, agriculture, industrial and energy sectors.