NORDKALK With over 820 employees and a rich history spanning over a century, the Nordkalk platform consists of more than 30 locations across 10 countries. Limestone is found in many products: it is an essential input used in numerous industries including construction, agriculture, environmental protection, chemicals, metals & mining and pulp & paper. In addition to the traditional segments served since inception, the Company keeps opening new frontiers through innovative applications. Circular economy products comprise 13% of Nordkalk’s sales volumes and the Company aims at increasing this number. Nordkalk has a long history of using its by-products which results in its material efficiency being more than 90% and rising. You can read more about the company here. 0 Employees 0 + Operations 0 Years of History Nordkalk.com

SOUTH-WALES GDH is the cornerstone for SigmaRoc’s third Platform that also incorporates the high PSV Quarry, FoelFach. GDH is one of Wales’s largest independent suppliers of aggregates operating out of six quarries; three asphalt plants, six concrete plants, and a wharf operation, as well as a civil engineering division delivering significant infrastructure projects. Foelfach is based in Carmarthen, Wales. It produces single size and fill aggregates as well as high PSVaggregate of which only 9% of quarries in the UK are able to produce. It supplies material internally to GDH as well as to outside customers; primarily asphalt and contracting businesses. 0 Sites 0 Employees 0 Years of History gdharries.biz