Irish Cement Limited is a fully owned subsidiary of CRH plc and has manufactured cement in Ireland for over 80 years. It operates two cement-manufacturing facilities, one situated in Platin, approximately 5km from Drogheda, Co. Louth and a second in Castlemungret, Co. Limerick. Production uses the most advanced, energy-efficient technology to create a range of high quality cements to the highest Irish and International standards.