List of ISO 19443 Certified Companies (ONUSIS database)


 Last Update: 02/02/2026

  • ALLWELD

    ALLWELD
    • Country South Africa
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Accredited Certification Body

  • ALTEN

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

  • ALTRAD BABCOCK EUROPE S A

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

  • ALTRAD Doosan Babcock Ltd

    ALTRAD_DOOSAN_BABCOCK_LTD
    • Country UK
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Non Accredited Certification Body

  • AMBOS Frères Et Fils

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

  • AMC ENERGIE

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

  • Anglo Belgian Corporation

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

  • Ansaldo Nuclear Limited

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

  • ANSALDO NUCLEARE S.P.A.

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

  • ANSTO

    ANSTO
    • Country Australia
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Non Accredited Certification Body

  • APAVE

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

  • APCO TECHNOLOGIES

    APCO_TECHNOLOGIES
    • Country Switzerland
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • APS ENERGIA S A

    APS_ENERGIA_S_A
    • Country Poland
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • APTISKILLS

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

  • Arabelle Solutions

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

  • ARCYS SAS

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

  • ARDATEM

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

  • ARIAL INDUSTRIES

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

  • ARIS

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

  • ARKADIA GROUP

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