CRH is an international group of diversified building materials businesses whose headquarters is in Dublin, Ireland. It manufactures and supplies a wide range of products for the construction industry. The group was formed through a 1970 merger of two leading Irish public companies, Cement Limited and Roadstone Limited. CRH's primary listing is on the New York Stock Exchange since 2023, prior to which it was on the London Stock Exchange and on Euronext Dublin. Wikipedia