Martyn Lyne

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.

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

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.

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.

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.

GRS Roadstone Group Ltd. operates as a supply chain company for sourcing, production and transportation of construction materials. The company was founded on April 29, 2014 and is headquartered in Nuneaton, 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.

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.

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 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.

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.

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.

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.