Exhibit 22.1

List of Subsidiary Issuers of Guaranteed Securities

CRH SMW Finance Designated Activity Company, an indirect wholly owned finance subsidiary of CRH

public limited company incorporated under the laws of Ireland and a financing vehicle for CRH public

limited company’s group companies, is the issuer of the following securities, which are fully and

unconditionally guaranteed by CRH public limited company:

•5.200% Guaranteed Notes due 2029

CRH America, Inc., a corporation incorporated in the State of Delaware and a wholly owned consolidated

subsidiary of CRH public limited company, is the issuer of the following securities, which are fully and

unconditionally guaranteed by CRH public limited company:

•6.400% Notes due 2033

CRH America Finance, Inc., an indirect wholly owned finance subsidiary of CRH public limited

company incorporated under the laws of the State of Delaware and a financing vehicle for CRH public

limited company’s operating companies, is the issuer of the following securities, which are fully and

unconditionally guaranteed by CRH public limited company:

•5.400% Guaranteed Notes due 2034