List of ISO 19443 Certified Companies (ONUSIS database)


 Last Update: 23/10/2026

  • SEWON

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

  • SHADBOLT GROUP PTY LTD

    SHADBOLT_GROUP_PTY_LTD
    • Country Australia
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • SICA NUCLÉAIRE

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

  • Siderforgerossi Group S.p.A.

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

  • SIEM SUPRANITE

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

  • SIEMENS ENERGY

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

  • SIG Trading Limited

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

  • SIGEDI

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

  • SIGMA GROUP

    SIGMA_GROUP
    • Country Czech Republic
    • Certification status Unknown (ISO 19443 certificate not received by NQSA)
    • Certification scheme Certified by Non Accredited Certification Body

  • SIMIC

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

  • SINGULARGLOW UNIPESSOAL LDA

    SINGULARGLOW_UNIPESSOAL_LDA
    • Country Portugal
    • Certification status Active
    • Certification scheme Certified by Accredited Certification Body

  • SITES

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

  • SIXENSE NECS

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

  • SMEP INDUSTRIES

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

  • SM Steel Co. Ltd.

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

  • SMV

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

  • SNEF POWER SERVICES

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

  • SNIG

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

  • SNT Energy

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

  • SOCIETE DES USINES QUIRI & CIE

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