List of ISO 19443 Certified Companies (ONUSIS database)


 Last Update: 23/10/2026

  • G2METRIC

    G2METRIC
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certification Body Unknown

  • GAROS ENERGIE

    GAROS_ENERGIE
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GD ENERGY SERVICES SAS

    GD_ENERGY_SERVICES_SAS
    • Country France
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • GE Steam Power

    GE_STEAM_POWER
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GE STEAM POWER SYSTEMS THERMAL MANUFACTURING

    GE_STEAM_POWER_SYSTEMS_THERMAL_MANUFACTURING
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GEORGIN

    GEORGIN
    • Country France
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • GERAL

    GERAL
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GERB Schwingungsisolierungen GmbH & Co KG

    GERB_SCHWINGUNGSISOLIERUNGEN_GMBH_CO_KG
    • Country Germany
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GESER-BEST

    GESER_BEST
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GILSANG ENGINEERING

    GILSANG_ENGINEERING
    • Country Korea
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • GISMIC

    GISMIC
    • Country France
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • GNMS

    GNMS
    • Country France
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • GONZALES FRERES

    GONZALES_FRERES
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GRISS

    GRISS
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GROUPE ADF

    GROUPE_ADF
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • Groupe D&S

    GROUPE_DS
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • Groupe SNEF

    GROUPE_SNEF
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GSF Energia

    GSF_ENERGIA
    • Country France
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • GTM Sud

    GTM_SUD
    • Country France
    • Certification scheme Certified by Accredited Certification Body

  • H+ VALVES

    H+_VALVES
    • Country France
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body