| Open CASCADE relies on a solid worldwide customer base. Its most important clients are*: |
- Aeronautics and Space
- EADS CCR
- Alcatel Space
- Snecma Moteurs
- THALES
- Automotive
- BMW
- Yazaki/Nippon Steel Solutions
- TATA Motors
- DaimlerChrysler
- Energy
- CEA (Commissariat à l'Energie Atomique)
- EDF (Electricité de France)
- IRSN (Institut de radioprotection et de sûreté nucléaire)
- Naval Certification
- RINA
- Bureau Veritas
- KRS (Korean Register of Shipping)
- CAD/CAM/CAE/GIS Software Edition and Services
- Samtech
- MIDAS IT
- 4M
- QuickPEN
- NIC (National Informatics Centre)
- GIT (General Integration Technology)
- Amino Corporation
- DBM Reflex
- Mecalog (Radioss Group)
- Alma Group
- Flow Solutions
- C4W
- Ricardo Software
- OPTIS
- Aleker
- ELSYCA
- Argo 21
- BRGM
- Beicip Franlab
- Heavy Industry and Mechanical Engineering
- USINOR
- CETIM (Technical Center for Mechanical Industries)
- Co-ordinate Measuring Machines
- Mitutoyo UK
- Mahr Multisensor
- MTWZ (Messtechnik Wetzlar)
- ESS (Entelegence Software Solutions)
- Wilcox Associates
- PEYERCONSULT
- Applied Mathematics and Computational Engineering
- IMACS (International Association for Mathematics and Computers in Simulation)
- SINTEF
- Medical
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* The aforecited list of companies is not exhaustive
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