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    ISO 9001:2015

    G D Harries & Sons Ltd
    Ground Floor
    Penffynnon
    Haverfordwest
    Hawthorn Rise
    SA61 2BQ
    United Kingdom
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    Certificate Number: FS 548385
    Scope: The sale of asphalt and aggregates, the production and sale of ready-mixed concrete. The extraction, processing and supply of aggregates for use in road surfacing, concrete products. This includes high polished stone value (PSV) aggregates for use in high skid resistant surfacing. The processing and supply of natural sea dredged aggregates to national and proprietary specifications and customer requirements. The manufacture of asphalt mixtures and coated chippings for roads and other paved areas. The provision of asphalt laying, Machine Lay or Hand Lay in accordance with National Highway Sector Scheme 16

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2010-06-25 2025-05-07 2025-03-26 2026-05-06