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Celsa Group

Barna Steel is the matrix company of CELSA Group™, a multinational leader in long steel products. CELSA Group is industrially present in several countries (Denmark, Spain, Finland, France, Norway, Poland, Finland, Sweden and UK) and has more than 120 work centres and 10000 employees all over the world. Among other plants, the Group has 12 rolling mills across Europe. CELSA Group is the second consumer of energy in Spain with an annual volume around 2300 GWh.

Fives Stein

With more than 8000 employees in 30 countries and a turnover of €1.68 billion (2020), FIVES Group is organized around three main activities: High Precision Machines, Process Technologies and Smart Automation Solutions. Its diversification enables FIVES to be less affected by market cycles. Its balance relies on its commitment for the variety of end markets (logistics, aerospace, energy, steel and cement) and on their significant investment in R&D (30 R&D and test centers). As part of its R&D initiatives, FIVES aims to offer solutions which continually anticipate the needs of industrial companies in terms of profitability, performance, quality, safety and environmental protection. In terms of steel reheating and heat treatment solutions they are experts to design furnaces with optimum reliability, burners that reduce NOx emissions and fuel consumption

Nippon Gases España

Nippon Gases – part of Nippon Sanso Holdings Corporation – is the fourth largest industrial gas company in Europe with an overall market share close to 9% in the continent. It is present in more than 13 countries, counting with a solid combination of onsite/ piping, merchant and package lines of business across key industrial zones. It counts 150k customers, 195 working plants and 2950 workers. They own 4 CO2 ships, 14 pipelines and over 600 trucks to supply, on time, our wide network of customers around Europe.

Barcelona Supercomputing Center

Barcelona Supercomputing Center-Centro Nacional de Supercomputación (BSC-CNS) is the national supercomputing centre in Spain. They specialise in high performance computing (HPC) and manage  MareNostrum , one of the most powerful supercomputers in Europe. BSC is at the service of the international scientific community and of industry that requires HPC resources.


RWTH Aachen University is a German public research university located in Aachen, North Rhine-Westphalia, Germany. With more than 47000 students enrolled in 144 study programs, it is the largest technical university in Germany. RWTH Aachen in 2019 emerged from the final of the third federal and state excellence strategy. The university will be funded as a university of excellence for the next seven years. RWTH Aachen was already part of the federal and state excellence initiative in 2007 and 2012.

OULUN University

The University of Oulu is an international science university that creates new knowledge, well- being and innovations for the future through research and education. The University of Oulu, founded in 1958, is one of the largest and most multidisciplinary universities in Finland.

Calderys Iberica

Calderys is a leading global provider for industries operating in high-temperature conditions. The Group specializes in thermal protection for industrial equipment with a wide range of refractory products and advanced solutions to enhance steel casting, metallurgical fluxes, and molding processes. With a presence in more than 30 countries and a strong footprint in the Americas through the brand HWI (HarbisonWalker International), Calderys’ international network of experts ensures an end-to-end offer with tailored services. Drawing on over 150 years of experience, Calderys supports its customers in their energy transition needs.Headquartered in Paris, France, the Group counts more than 6,500 employees and contractors and 50 plants on five continents.

Swerim AB

The metals research institute Swerim conducts needs-based industrial research and development concerning metals and their route from raw material to finished product. Their vision is a fossil-free and circular industry.


SSAB is a global steel company with a leading position in high-strength steel. SSAB aims to be the first in 2026, to offer fossil-free steel to the market and largely eliminate carbon dioxide emissions from their operations by around 2030. With approximately 14000 employees, it is present in more than 50 countries and the group revenue in 2021 was around SEK 96 billion (€9.27billion). In Europe is a market leader in the Nordics with a market share 40-45%. The Nordic countries account for about 50% of the sales, the rest of Europe for about 40% and the rest of the world for about 10%.