Exhibit 8

Principal Subsidiary Undertakings as at 31 December 2013

Incorporated and operating in		% held		Products and services
Europe Materials
Belgium	VVM N.V.		100	Cement transport and trading, readymixed concrete, clinker grinding
Britain & Northern Ireland	Cubis		100	Supplier of access chambers and ducting products
	Northstone (NI) Limited (including Farrans, Scott (Toomebridge) Limited)		100	Aggregates, readymixed concrete, mortar, coated macadam, rooftiles, building and civil engineering contracting
	Premier Cement Limited		100	Marketing and distribution of cement
Finland	Finnsementti Oy		100	Cement
	Rudus Oy		100	Aggregates, readymixed concrete and concrete products
Ireland	Irish Cement Limited		100	Cement
	Clogrennane Lime Limited		100	Burnt and hydrated lime
	Roadstone Wood Limited		100	Aggregates, readymixed concrete, mortar, coated macadam, concrete blocks and pipes, asphalt, agricultural and chemical limestone and contract surfacing
Netherlands	Cementbouw B.V.		100	Cement transport and trading, readymixed concrete and aggregates
Poland	Bosta Beton Sp. z o.o.		90.30	Readymixed concrete
	Drogomex Sp. z o.o.*		99.94	Asphalt and contract surfacing
	Grupa Ożarów S.A.		100	Cement
	Grupa Prefabet S.A.*		100	Concrete products
	Masfalt Sp. z o.o.*		100	Asphalt and contract surfacing
	O.K.S.M. S.A.		100	Aggregates
	Polbruk S.A.		100	Readymixed concrete and concrete paving
	Trzuskawica S.A.		100	Production of lime and lime products
Spain	Beton Catalan S.A.		100	Readymixed concrete
	Cementos Lemona S.A.		98.86	Cement
Switzerland	JURA-Holding AG		100	Cement, aggregates and readymixed concrete
Ukraine	LLC Cement*		51	Cement and clinker grinding
	PJSC Mykolaiv Cement		99.27	Cement
	Podilsky Cement PJSC		99.60	Cement

Incorporated and operating in		% held		Products and services
Europe Products & Distribution
Austria	Distribution
	Quester Baustoffhandel GmbH		100	Builders merchants
Belgium	Products
	Douterloigne N.V.		100	Concrete floor elements, pavers and blocks
	Ergon N.V.		100	Precast concrete and structural elements
	Stradus Aqua N.V.		100	Concrete paving, sewerage and water treatment
	Oeterbeton N.V.		100	Precast concrete
	Prefaco N.V.		100	Precast concrete structural elements
	Remacle S.A.		100	Precast concrete products
	Schelfhout N.V.		100	Precast concrete wall elements
	Plakabeton N.V.		100	Construction accessories
	Stradus Infra N.V.		100	Concrete paving and landscaping products
	Marlux N.V.		100	Concrete paving and landscaping products
	Distribution
	Lambrechts N.V.		100	Builders merchants
	Sax Sanitair N.V.		75	Sanitary ware, heating and plumbing
	Schrauwen Sanitair en Verwarming N.V.		100	Sanitary ware, heating and plumbing
	Van Neerbos België N.V.		100	DIY stores
Britain & Northern Ireland	Products
	Anchor Bay Construction Products		100	Construction accessories
	Ancon Limited		100	Construction accessories
	Anderton Concrete Products Limited		100	Precast and pre-stressed concrete products
	CRH Fencing & Security Group (UK) Limited		100	Security fencing
	Forticrete Limited		100	Concrete masonry products and rooftiles
	Ibstock Brick Limited		100	Clay brick manufacturer
	Supreme Concrete Limited		100	Concrete fencing, lintels and floorbeams
	Security Windows Shutters Limited		100	Physical security, industrial and garage doors, roofing systems
Denmark	Products
	Betongruppen RBR A/S		100	Concrete paving manufacturer
	CRH Concrete A/S		100	Structural concrete products
France	Products
	Béton Moulé Industriel S.A.		99.98	Precast concrete products
	Heras Clôture S.A.R.L.		100	Temporary fencing
	L’industrielle du Béton S.A.*		100	Structural concrete products
	Marlux		100	Concrete paving manufacturer
	Plaka Group France S.A.S.		100	Construction accessories
	Stradal		100	Utility and infrastructural concrete products
	Distribution
	CRH Ile de France Distribution		100	Builders merchants
	CRH TP Distribution		100	Builders merchants
	CRH Normandie Distribution		100	Builders merchants

Principal Subsidiary Undertakings | continued

Incorporated and operating in		% held		Products and services
Europe Products & Distribution continued
Germany	Products
	Alulux GmbH		100	Roller shutter and awning systems
	CRH Clay Solutions GmbH*		100	Clay brick, pavers and rooftiles
	EHL AG		100	Concrete paving and landscape walling products
	ERHARDT Markisenbau GmbH		100	Roller shutter and awning systems
	Halfen GmbH		100	Construction accessories
	Hammerl GmbH		100	Construction accessories
	Heras-Adronit GmbH		100	Security fencing and access control
	Reuss-Seifert GmbH		100	Construction accessories
	Distribution
	BauKing AG		100	Builders merchants, DIY stores
	Andreas Paulsen GmbH		100	Sanitary ware, heating and plumbing
Hungary	Products
	Ferrobeton Beton-és Vasbetonelem gyártó Zrt.		100	Precast concrete structural elements
Ireland	Products
	Plaka Ireland Limited		100	Construction accessories
Italy	Products
	Halfen S.R.L., Società Unipersonale		100	Construction accessories
	Plaka Group S.R.L.		100	Construction accessories
Netherlands	Products
	Aluminium Verkoop Zuid B.V.		100	Roller shutter and awning systems
	Calduran Kalkzandsteen B.V.		100	Sand-lime bricks and building elements
	CRH Kleiwaren Beheer B.V.		100	Clay brick manufacturer
	CRH Structural Concrete B.V.		100	Precast concrete structural elements
	Dycore B.V.		100	Concrete flooring elements
	Heras B.V.		100	Security fencing and perimeter protection
	Kooy Baksteencentrum B.V.		100	Clay brick factors
	Mavotrans B.V.		100	Construction accessories
	Struyk Verwo Groep B.V.		100	Concrete paving products
	Distribution
	CRH Bouwmaten B.V.		100	Cash & Carry building materials
	CRH Bouwmaterialenhandel B.V.		100	Builders merchants
	N.V.B. Ubbens Bouwstoffen B.V.		100	Builders merchants
	Royal Roofing Materials B.V.		100	Roofing materials merchant
	Stoel van Klaveren Bouwstoffen B.V.		100	Builders merchants
	Van Neerbos Bouwmaterialen B.V.		100	Builders merchants
	Van Neerbos Bouwmarkten B.V.		100	DIY stores
	Wij©k’s B.V.		100	Builders merchants

Incorporated and operating in		% held		Products and services
Europe Products & Distribution continued
Norway	Products
	Halfen AS		100	Construction accessories
Poland	Products
	CRH Klinkier Sp. z o.o.		100	Clay brick manufacturer
	Ergon Poland Sp. z o.o.		100	Structural concrete products
Romania	Products
	CRH Structural Concrete SRL		100	Structural concrete products
	Elpreco S.A.		100	Architectural concrete products
Slovakia	Products
	Premac, spol. s.r.o.		100	Concrete paving and floor elements
Spain	Products
	Plakabeton S.L.U.		100	Construction accessories
Sweden	Products
	Heras Stängsel AB		100	Security fencing
Switzerland	Products
	Element AG Schweiz		100	Prefabricated structural concrete elements
	F.J. Aschwanden AG*		100	Construction accessories
	Distribution
	BR Bauhandel AG (trading as BauBedarf and Richner)		100	Builders merchants, sanitary ware and ceramic tiles
	Gétaz Romang Holding AG (trading as Gétaz Romang and Miauton)		100	Builders merchants
	Regusci Reco S.A. (trading as Regusci and Reco)		100	Builders merchants

Principal Subsidiary Undertakings | continued

Incorporated and operating in		% held		Products and services
Americas Materials
United States	Oldcastle Materials, Inc.		100	Holding company
	APAC Holdings, Inc. and Subsidiaries		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Callanan Industries, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	CPM Development Corporation		100	Aggregates, asphalt, readymixed concrete, pre-stressed concrete and related construction activities
	Dolomite Products Company, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Eugene Sand Construction, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Evans Construction Company		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Hills Materials Company		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Michigan Paving and Materials Company		100	Aggregates, asphalt and related construction activities
	Mountain Enterprises, Inc.		100	Aggregates, asphalt and related construction activities
	OMG Midwest, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Oldcastle Southern Group, Inc.		100	Aggregates, asphalt, readymixed concrete, aggregates distribution and related construction activities
	Oldcastle SW Group, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Pennsy Supply, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Pike Industries, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	P.J. Keating Company		100	Aggregates, asphalt and related construction activities
	Staker & Parson Companies		100	Aggregates, asphalt, readymixed concrete and related construction activities
	The Shelly Company		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Tilcon Connecticut, Inc.		100	Aggregates, asphalt, readymixed concrete and related construction activities
	Tilcon New York, Inc.		100	Aggregates, asphalt and related construction activities
	Trap Rock Industries, LLC*		60	Aggregates, asphalt and related construction activities
	West Virginia Paving, Inc.		100	Aggregates, asphalt and related construction activities

Incorporated and operating in		% held		Products and services
Americas Products & Distribution
Argentina	CRH Sudamericana S.A.		100	Holding company
	Canteras Cerro Negro S.A.		99.98	Clay rooftiles, wall tiles and floor tiles
	Cormela S.A.		100	Clay blocks
	Superglass S.A.		100	Fabricated and tempered glass products
Canada	Products
	Oldcastle BuildingEnvelope® Canada, Inc.		100	Custom fabricated and tempered glass products and curtain wall
	Oldcastle Building Products Canada, Inc. (trading as Décor Precast, Expocrete Concrete Products, Groupe Permacon, Oldcastle Enclosure Solutions and Transpavé)		100	Masonry, paving and retaining walls, utility boxes and trenches
Chile	Vidrios Dell Orto, S.A.		99.90	Fabricated and tempered glass products
	Comercial Duomo Limitada		99.99	Wholesaler and retailer of specialised building products
United States	Americas Products & Distribution, Inc.		100	Holding company
	CRH America, Inc.		100	Holding company
	Oldcastle, Inc.		100	Holding company
	Products
	Oldcastle Architectural, Inc.		100	Holding company
	Oldcastle Building Products, Inc.		100	Holding company
	Big River Industries, Inc.		100	Lightweight aggregates
	Bonsal American, Inc.		100	Premixed cement and asphalt products
	Glen-Gery Corporation		100	Clay bricks
	Merchants Metals, Inc.		100	Fabrication and distribution of fencing products
	Meadow Burke, LLC		100	Concrete accessories
	Oldcastle APG Northeast, Inc. (trading principally as Anchor Concrete Products and Trenwyth Industries)		100	Specialty masonry, hardscape and patio products
	Oldcastle APG South, Inc. (trading principally as Adams Products, Georgia Masonry Supply, Northfield Block Company and Oldcastle Coastal)		100	Specialty masonry, hardscape and patio products
	Oldcastle APG West, Inc. (trading principally as Amcor Masonry Products, Central Pre-Mix Concrete Products, Texas Masonry Products, Miller Rhino Materials, Sierra Building Products and Superlite Block)		100	Specialty masonry and stone products, hardscape and patio products
	Oldcastle BuildingEnvelope®, Inc.		100	Custom fabricated architectural glass
	Oldcastle Lawn & Garden, Inc.		100	Patio products, bagged stone, mulch and stone
	Oldcastle Precast, Inc.		100	Precast concrete products, concrete pipe, pre-stressed plank and structural elements
	Oldcastle Surfaces, Inc.		100	Custom fabrication and installation of countertops
	Distribution
	Oldcastle Distribution, Inc.		100	Holding company
	Allied Building Products Corp.		100	Distribution of roofing, siding and related products, wallboard, metal studs, acoustical tile and grid
	AMS Holdings, Inc.		100	Distribution of drywall, acoustical ceiling systems, metal studs and commercial door solutions
	Mahalo Acquisition Corp. (trading as G. W. Killebrew)		100	Distribution of wallboard, metal studs, acoustical tile and grid, and other related products

Principal Equity Accounted Investments as at 31 December 2013

Incorporated and operating in		% held		Products and services
Europe Materials
China	Jilin Yatai Group Building Materials		26	Cement
	Investment Company Limited*
India	My Home Industries Limited		50	Cement
Ireland	Kemek Limited*		50	Commercial explosives
Israel	Mashav Initiating and Development Limited		25	Cement
Turkey	Denizli Çimento Sanayii T.A.Ş.		50	Cement and readymixed concrete
Europe Distribution
France	Doras S.A.		56.95	Builders merchants
	Samse S.A.*		21.13	Builders merchants and DIY stores
Netherlands	Bouwmaterialenhandel de Schelde B.V.		50	DIY stores
	Intergamma B.V.		48.57	DIY franchisor
Portugal	Modelo Distribuição de Materials de		50	DIY stores
	Construção S.A.*
Americas Materials
United States	American Cement Company, LLC*		50	Cement
	Boxley Aggregates of West Virginia, LLC*		50	Aggregates
	Southside Materials, LLC*		50	Aggregates
	Cadillac Asphalt, LLC*		50	Asphalt
	Piedmont Asphalt, LLC*		50	Asphalt
	American Asphalt of West Virginia, LLC*		50	Asphalt and related construction activities
	HMA Concrete, LLC*		50	Readymixed concrete
	Buckeye Ready Mix, LLC*		45	Readymixed concrete

* Audited by firms other than Ernst & Young