David John Barcham

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.

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 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.

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.

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 SGS International LLC, McGurk Group Ltd. is a British company that provides guidance to start-ups and commercial-stage companies on a range of legal issues, including securing IP protection, licensing, and disputes with third parties. Founded in 2014, the company is based in Gloucester, UK. The company's mission, according to founding member Mike McGurk, is to provide clients with high-quality advice and work product at competitive prices, while also fostering a healthy and supportive atmosphere.

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 SGS International LLC, Keyway Ltd. is a British company that offers a range of services including planthire, tipperhire, transporthire, muckaway, skiphire, aggregatesand, stone aggregatebags, and poweredaccess. The company is based in Gloucester, UK and was founded in 1995. The company supplies access platforms to all parts of the south of the UK. Additionally, they provide groundremediation, landrestoration, quarriesand, landfill, and commercialsales.

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.

Arriva Group Ltd. was founded in 1998 and invests in property trading companies. The private company is based in Gloucester, 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.

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.

Part of SGS International LLC, Arriva Holdings Ltd. is a holding British company that leases and operates real estate properties. The company is based in Gloucester, UK and was founded in 2009.

Arriva Capital Ltd. is a British company that was founded in 2018 and engages in renting and leasing of construction and civil engineering machinery & equipment. The private company is based in Gloucester, 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.

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.