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    G D Harries & Sons Ltd

    G D Harries & Sons Ltd
    Syke Quarry
    Walwyn's Castle
    Haverfordwest
    SA62 3DR
    United Kingdom
    BSI logo

    Certificate number: FS 548385
    Scope: The extraction, processing and supply of aggregates for use in road surfacing, concrete products; to include high polished stone value (PSV) aggregate for use in high skid resistant surfacing

    Standard/Scheme number or name Start Date Expiry Date
    ISO 9001:2015 2010-06-25 2026-05-06