ArcelorMittal is the world's number one steel company, present in more than 60 countries. It has led the consolidation of the world steel industry and today ranks as the only truly global steelmaker.  ArcelorMittal is the leader in all major global markets, including automotive, construction, household appliances and packaging. The Group leads in R&D and technology, holds sizeable captive supplies of raw materials and operates extensive distribution networks. 

Corus is an international metals company, providing steel and aluminium products and services to customers worldwide.  With an annual turnover of £9 billion and major operating facilities in Europe, Corus employs 48,300 people in over 40 countries.

CSC (UK) Ltd., established in 1975, is a major worldwide provider of software solutions for Structural Engineers. CSC specialises in integrated analysis, design, modelling and drafting. The products are backed by consultancy, support and training courses. During the last 27 years, CSC has been dedicated to the research, prototyping and development required for the production of comprehensive structural steelwork design.

CTICM (Centre Technique Industriel de la Construction Métallique) in France undertakes research and development and disseminates information on the use of steel in construction. It is funded by a levy from steel fabricators. It is one of the leading organisations in Europe in the preparation of the steel Eurocodes and its services to the steel construction community include engineering consultancy, continuous education, product testing and European funded research projects covering the behaviour of steel structures.

eTeams International Ltd. is based in Ireland and provides world-class specialised language services to an international client base. These include translation, localisation, proofreading, editing, design and multilingual publishing. Established in 1991, eTeams (formerly Bealtaine Ltd.) has been involved in a range of EU projects for ten years. eTeams is the language service expert for the STEEL project.

Labein is a research and innovation centre, private non-profit foundation, located in the Basque Country Region, in Spain. The mission of Labein is to support enterprises and administration bodies in their research and innovation needs by means of research, development and innovation projects as well as in technology transfer, technological services, consulting, training and dissemination activities.

RWTH (Rheinisch-Westfälische Technische Hochschule) in Aachen, Germany, works in various fields with particular emphasis on the promotion of steel in the structural area and has been heavily involved in the development of various Eurocodes. It employs about 40 staff in both the theoretical field and in the laboratory with test facilities and houses one of the largest European institutes of steel structures to be established by a university.

SBI (Stälbyggnadsinstitutet) in Sweden undertakes research and development and disseminates information on the use of steel in construction. It is an independent research foundation supported by its member companies and by funding from different research organisations and other foundations. Among the members are market-leading companies from the construction and steel industries with interests in the Swedish market.