GD Harries (GDH)
GDH is the cornerstone for SigmaRoc's SW platform. With a 40% stake (and ability to purchase the remainder by mid 2020) it allows SigmaRoc to have a significant footprint in the region.
GDH is one of Wales’s largest independent suppliers of aggregates – based in West Wales, it operates out of six granite and limestone quarries – incorporating three asphalt plants. six concrete plants, and a wharf operation, as well as a civil engineering division delivering significant infrastructure projects.
Foelfach Stone, based in Carmarthen Wales, is a volume producer of crushed aggregates, bulk screen fills, natural stone and rock boulders to both public and private sectors.
Progressive stages of crushing and screening enable us to produce a range of aggregate sizes.
One of Wales highest quality aggregate reserves, with a polished stone value of 65 (only 9% of quarries in the UK are able to produce such stone).