List of ISO 19443 Certified Companies (ONUSIS database)
Last Update: 23/10/2026 |
Hague Energie
HAGUE_ENERGIE- Country France
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
HAK
HAK- Country Poland
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
Halton Wales
HALTON_WALES- Country UK
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
Hammerschmiede Jäckel Essen GmbH
HAMMERSCHMIEDE_JÄCKEL_ESSEN_GMBH- Country Germany
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
HANA Nuclear Power Engineering Co Ltd
HANA_NUCLEAR_POWER_ENGINEERING_CO_LTD- Country Korea
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
HDI
HDI- Country France
- Certification status Active
- Certification scheme Certified by Accredited Certification Body
Heathyards Engineering Co Ltd
HEATHYARDS_ENGINEERING_CO_LTD- Country UK
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
Heidelberg Materials
HEIDELBERG_MATERIALS- Country UK
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
HENSOLDT NEXEYA FRANCE
HENSOLDT_NEXEYA_FRANCE- Country France
- Certification status Active
- Certification scheme Certified by Accredited Certification Body
HORIZON DATA SERVICES
HORIZON_DATA_SERVICES- Country France
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
HORUS
HORUS- Country France
- Certification status Active
- Certification scheme Certified by Accredited Certification Body
HOWDEN SOLYVENT VENTEC
HOWDEN_SOLYVENT_VENTEC- Country France
- Certification status Active
- Certification scheme Certified by Accredited Certification Body
Hulanicki Bednarek Sp. z o.o.
HULANICKI_BEDNAREK_SP__Z_O_O_- Country Poland
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Non Accredited Certification Body
HYDROCHEM
HYDROCHEM- Country France
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
Hyosung Goodsprings
HYOSUNG_GOODSPRINGS- Country Korea
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Non Accredited Certification Body
Hyundai Engineering & Construction
HYUNDAI_ENGINEERING_CONSTRUCTION- Country Korea
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
I&S Nucléaire
IS_NUCLEAIRE- Country France
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
IABG Industrieanlagen-Betriebsgesellschaft mbH
IABG_INDUSTRIEANLAGEN_BETRIEBSGESELLSCHAFT_MBH- Country Germany
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
IAS INGENIERIE
IAS_INGENIERIE- Country France
- Certification status Unknown (ISO 19443 certificate not received by NQSA)
- Certification scheme Certified by Accredited Certification Body
IBF S.P.A.
IBF_S_P_A_- Country Italy
- Certification status Active
- Certification scheme Certified by Accredited Certification Body




