A comprehensive engineering offer for all your projects
Discover the SOM Calcul Marseille agency
With more than 30 years of recognised knowledge, the engineering teams at SOM Calcul Marseille will support you throughout the entire life cycle of your projects, and adapt to each of your concerns, thus guaranteeing a complete range of engineering services.
Secure your projects thanks to the calculations and numerical modelling carried out by our specialist engineers! They assist the realization of each project, whatever the industrial problem, to dimension or verify the equipment and installations from the initial design to the realization.
France Chaudronnerie, Boilermaking, Piping, Sheet Metal & Industrial Maintenance Association (ex-SNCT) and its Association Métier Avenir (AMA) award their “Marque Employeur by SNCT” label to the Ortec Group.
This distinction recognizes the Group’s commitment to recruiting, training and upgrading the skills of our employees in the metalworking trades: boilermaking, piping, welding and industrial maintenance.
expertises
- Thermo-mechanical calculations
- Fatigue and elasto-plastic calculations
- Vibration calculations – PSD
- Flexibility calculations
- Supporting calculations
- Steel structure calculations
- Piping and support studies
- Studies of metallic structures
- Studies of boiler making equipment
- Conventional inspection
- 3D scanning
- Restitution of point clouds
the agency's services
Business sectors
Nuclear
Defense
Chemicals / Pharmaceuticals
Food Processing
Transport / Logistics
Aeronautics / aerospace
Renewable energies
Heavy Industries
Tertiary Services
Government & Local Authorities
Individuals
Oil & Gas - Petrochemicals
Energy and Nuclear:
With a strong presence in the energy sector for almost 70 years, the Ortec Group offers its expertise to customers. The cross-functional know-how of the Group’s various branches is recognised by the most important players, making the Ortec Group a major player in the world of energy and in particular, the nuclear sector.
Certifications
OHSAS 18001 Certification: [Occupational Health and Safety Assessment Specification] 2007 :
The SOM Calcul Marseille, a subsidiary of the Ortec Group, holds OHSAS 18001 Certification, version 2007, guaranteeing the compliance of the management system for its activities in metallurgy, boilermaking, pipework, industrial maintenance, industrial stoppages in terms of occupational health and safety management, and compatibility with international standards.
Radioprotection Certification :
The SOM Calcul Marseille, a subsidiary of the Ortec Group, holds the Radioprotection Certification relating to its management system set up for maintenance and work for monitored or controlled Zones, within the following BNF, SBNF facilities and all types of industrial and research installations.
EDF Qualification :
SOM, a subsidiary of the Ortec Group, holds the qualification to provide on behalf of EDF, intellectual services and technical assistance (deconstruction and on-site working during operations and assembly on non-operational sites / studies); inspections, analyses, measurements and tests (on-site work during operation and assembly on non-operational sites / tests) and studies on HVAC engineering.
ISO 9001-2015 certification:
SOM Calcul Marseille is ISO 9001-2015 certified for the following activities: Industrial Risk Management, Numerical Calculation and Simulation, Nuclear Decommissioning Engineering, Maintenance and Document Engineering, General Installation Studies, Functional Studies, Safety, Risk and Radiation Protection Analysis, Regulatory and Environmental Studies, Studies relating to the management of radioactive waste and associated transport, Project Management, Project Ownership and Project Management Assistance, On-site QHSE Animation, Preparation, Supervision, Coordination of Works and Tests, Operational Planning, Training, Quality Consulting and 3D Telemetry. Construction economics, Operational safety, Integrated logistics support / MCO / ASSET management, Ergonomics, Organizational and human factors, Environmental safety / Hazard studies, Project / quality management, Statistics and modeling, Systems engineering, Training.
ISO 14001 certification:
SOM Calcul Marseille is certified ISO 14001: version 2015, in the following fields: Industrial Risk Management, Numerical Calculation and Simulation, Nuclear Decommissioning Engineering, Maintenance and Document Engineering, General Installation Studies, Operational Studies, Safety, Risk and Radiation Protection Analysis, Regulatory and Environmental Studies.
ISO 19443 : 2018 certificate
SOM Calcul Marseille holds ISO 19443 : 2018 certification for the following activities: Activities Important to Nuclear Safety (IPSN). Risk management, Nuclear safety, Safety engineering, Civil engineering, Methods and IS, Project management, Mechanical engineering, 3D layout and design.
DISCOVER OUR CAREER OPPORTUNITIES
[SOM CALCUL]Stagiaire Assistant Ingénieur Calcul - 13 - H/F
- Stage
- Marseille 8e Arrondissement, Provence-Alpes-Côte d'Azur
[SOM CALCUL]Stagiaire Assistant Ingénieur Calcul - 78 - H/F
- Stage
- Montigny-le-Bretonneux, Île-de-France
Responsable d'Activité Calcul Mécanique Nucléaire H/F
- CDI
- Montigny-le-Bretonneux, Île-de-France
Ortec agencies nearby
Oralys Marseille
2 Bd de Gabès
13008 Marseille
France
SOM Mediterranee
2 Bd de Gabès
13008 Marseille
France
SOM Aix en Provence
550 Rue Pierre Berthier
13290 Aix-en-Provence
France
Ortec group breaking news
Orys – GPE successfully completes installation of the EAS-u system at the Saint-Laurent B1 nuclear plant
Specialized in large-scale and complex metallurgy works on nuclear power plants, the Orys – Major Energy Projects Department has delivered a new section of EAS-ultime piping on Reactor B1 at the Saint-Laurent-des-Eaux nuclear power plant (Loir-et-Cher).
Ortec Group to showcase sustainable solutions at Pollutec 2025
Oct 7–10, 2025: Ortec Group presents sustainable performance solutions at Pollutec, Lyon Eurexpo, the leading environmental trade show.
New piping and assembly works at the Air Liquide site in Île-de-France
Friedlander Île-de-France carried out piping and assembly works on behalf of IGAS for Air Liquide’s gas cylinder filling plant in Saint-Ouen-l’Aumône.