Liam Colm Charalambou

GRS Roadstone (Holdings) Ltd. provides construction materials and recycled products. The company is headquartered in Nuneaton, the United Kingdom.

Part of GRS Roadstone (Holdings) Ltd., Rail Stone Solutions Ltd. is a British company that sources and delivers aggregates by rail, road, or river, and processes waste in an efficient manner. The company is based in Nuneaton, UK and is backed by Britain's largest independent materials trader and transporter, GRS. Rail Stone Solutions has partnerships with the UK's biggest aggregate producers, giving them unparalleled access to rail, road, river, and marine freight, as well as quarries and recycling facilities. Founded in 2016, the company was set up with HS2 in mind and is in the best position to provide efficient, high-value, and cost-effective delivery of the estimated 30 million tonnes of aggregates needed for the project.

Part of GRS Bagging Holdings Ltd., GRS (Bagging) Ltd. is a British company that manufactures and distributes bagged aggregates. The company is based in Nuneaton, UK.

GRS Roadstone Ltd. produces and supplies construction aggregate and waste removal services. Its products offers primary and recycled materials, decorative gravel and chippings, welsh slate, pebbles and cobbles, de-icing products, drainage solutions, limestone, playground products, and rail products. The company is headquartered in Nuneaton, the United Kingdom.

Founded in 1968, GRS Earth Solutions Ltd. is a subsidiary of Galliford Roadstone Ltd. Part of the management, the British company produces and markets construction materials and related transport services. The company is based in Nuneaton, UK. GRS Earth Solutions was acquired by Galliford Roadstone Ltd. management on February 01, 1997 for $4.16 million.

LAL-GRS Ltd. is a British company that provides landfill services. The joint venture company is based in Birmingham, UK. The company was founded in 2004.

Part of GRS Roadstone Group Ltd., Maen Karne Concrete Products Ltd. is a supplier of concrete products. The company is based in Newquay, UK and was founded in 2010.

Maen Karne Aggregates Ltd. supplies and produce aggregates, concrete blocks and waste removal services. Its products include primary and secondary aggregates, flowing screed concrete blocks and ready mix concrete. The firm offers transport, bagging, concrete books, builder merchant and environmental. Maen Karne Aggregates was founded by Julian Chenoweth and is headquartered in Newquay, the United Kingdom.

Part of Holcim Ltd., RFS Works Ltd. is a British company that provides rail freight transportation services. The company is based in Markfield, UK. Founded in 2015.

GRS Stone Supplies Ltd. is a British company that supplies loose aggregates and stones. The joint venture company is based in Bristol, UK. The company was founded in 2016.

Part of GRS Production & Logistics Holdings Ltd., GRS Production & Logistics Ltd. is a British company that provides packing and logistics services. The company is based in Nuneaton, UK.

Mineral Products Association Ltd. is a trade association for the aggregates, asphalt, cement, concrete, dimension stone, lime, mortar, and industrial sand industries. The private company is based in London, UK, and has subsidiaries in the United Kingdom. The British company's website provides information on the industry overview, essential materials, extracting minerals, sustainable solutions, quarries and nature, careers, and partnerships. The company was founded in 2009, and Jon Prichard has been the CEO of the company since 2022.

Part of PLC Nominees (Pty) Ltd., Tarmac (South Western) Ltd. is a British company that engages in querying and manufacturing concrete aggregates. The company is based in Solihull, UK. Tarmac (South Western was founded in 2000.

Tarmac Holdings Ltd. engages in the business of quarrying of aggregates and the production of added value products. The company is headquartered in Solihull, the United Kingdom.

Founded in 1981, Cambrian Stone Ltd. is a quarrying British company that specializes in ornamental and building stone, limestone, gypsum, chalk, and slate. Part of PLC Nominees (Pty) Ltd., the company is based in Solihull, UK.

Founded in 1937, East Coast Slag Products Ltd. is a building materials provider. The company is based in Solihull, UK.

Tarmac Cement & Lime Ltd. manufactures cement products. The company was founded on September 21, 1960 and is headquartered in Solihull, the United Kingdom.

Tarmac Services Ltd. provides construction materials and services. It manages cement and lime, aggregates, ready mix concrete, asphalt and asphalt surfacing, maintenance services, and waste services businesses. The company has offices in Bellshill, Brighton, Bristol, Buxton, Cardiff, Chester-le-Street, Derby, Ferryhill, Greater Manchester, Hertford, Ipswich, Leeds, London, Nottingham, Preston, Reading, Solihull, Syston and Walsall. Lafarge Tarmac was founded on January 7, 2013 and is headquartered in Birmingham, the United Kingdom.

Tarmac Building Products Ltd. supplies aggregates, blocks, mortar, and other heavy building products. The company was founded in 2000 and is headquartered in Solihull, the United Kingdom.

Part of CRH Plc, Tarmac Aggregates Ltd. operates sand and gravel pits. The company is based in Solihull, UK. Tarmac Aggregates was founded in 1935. Tarmac Aggregates was acquired by Brett Landscaping Ltd. from Lafarge SA on October 09, 2003.

Construction Products Association engages in promoting the business of construction product manufacturers and distributors. The company is headquartered in London, the United Kingdom.

Part of GRS Roadstone Group Ltd., S Walsh Holdings Ltd. is a holding British company that operates subsidiaries engaged in various services such as land restoration, marine and road transportation, earthworks, environment management, remediation, recycling, and logistics management. The company is based in Nuneaton, UK and was founded in 2013.

Part of CRH Plc, Tarmac Caledonian Ltd. is a British company that supplies aggregates, concrete, and concrete blocks. The company is based in Bellshill, UK. Tarmac Caledonian was founded in 1997.

Tarmac Trading Ltd. produces and supplies building materials and construction products. The firm offers aggregates, asphalt, contracting and maintenance products, blocks and mortars, cements, limes, concrete and screed, and tools and services. The company was founded in 1903 and is headquartered in Wolverhampton, the United Kingdom.

GRS Rail Services Ltd. is a British company that was founded in 1991 and engages in the sale of timber and building materials through agents. The joint venture company is based in Birmingham, UK.

Part of Holcim Philippines, Inc., APC Properties, Inc. is a Filipino company that manufactures and sells cement. The company is based in Manila, the Philippines.

Part of Calumboyan Holdings, Inc., SEACEM Silos, Inc. is a Filipino company that engages in construction and cement related products. The company is located in the Philippines. SEACEM Silos was acquired by Lafarge Holdings (Philippines), Inc. from Global Ferronickel Holdings, Inc. on June 06, 2013 for $17.97 million.

Part of Holcim Philippines, Inc., Lafarge Republic Aggregates, Inc. is a Filipino company that manufactures and sells cement. The company is based in Angono, the Philippines.

Calumboyan Holdings, Inc. operates as an investment holding Filipino company. The private company is based in Pasig, Philippines and has subsidiaries in the Philippines.

Part of Holcim Ltd., Lafarge Holdings (Philippines), Inc. manufactures cement, concrete and other building materials. The company is based in Makati, Philippines.

Lafarge Cement Services (Philippines), Inc. manufactures cement, concrete and other building materials. The company was founded in 2001 and is headquartered in Makati, Philippines.

S. Walsh & Sons Ltd. provides construction services. It offers building services, earthmoving management and excavation, site environment management, construction logistics management, construction aggregate, construction management, waste management, construction site security management, reservoir and golf course construction, construction remediation and recycling, marine management, and rail management services. The company was founded by Sean Walsh and is headquartered in Brentwood, the United Kingdom.