APERAM is a stainless and specialty steel producer. Co. produces a range of stainless steel products and products including electrical steel (grain oriented, non-grain oriented, and non-grain oriented semi-processed steel), nickel alloys and specialties. Co. sells its products to customers on three continents in over 40 countries, including aerospace, automotive, catering, construction, household appliances and electrical engineering, industrial processes, medical, and oil & gas industries. Co. manages its business according to three operating segments: Stainless and Electrical Steel; Services and Solutions; and Alloys and Specialties.

Capital Stage is an investment company based in Germany. Co. is engaged in investing in small and medium sized enterprises.

ERG is engaged in the generation of energy from renewable sources and from thermoelectric plants, in the marketing of electricity, steam and gas, in the refining, marketing and distribution of petroleum products both in Italy and abroad. Co., also through its own subsidiaries and joint ventures with primary international operators, operates in the following segments: renewable energy sources, under which Co. operates through its ERG Renew S.p.A. subsidiary in the wind power generation business; power and gas, which includes the production and marketing of electric energy, steam and gas; and refining and marketing, which includes the results of Coastal Refining and Integrated Downstream.

Merlin Properties SOCIMI SA is a Spain-based company engaged in the operation of a real estate investment trust (REIT). The Company focuses on the acquisition, management and rental of commercial properties located in the Iberian Peninsula, primarily in Spain. The Company's activities are divided into the following segments: Office buildings, operating a portfolio of office space; High-street retail, engaged in leasing retail stores; Shopping centers, engaged in managing department stores; Logistics, operating logistics warehouses and distribution centers, and Others. The Company's other activities include property management services rendered to third parties.

Salzgitter is a holding company. Through its subsidiaries, Co. organized its businesses into five divisions. The Steel Division manufactures steel and special steels. The Tubes Division is involved with the manufacture of line pipes, HFI-welded pipes, precision tubes and stainless steel tubes. The Trading Division operates a European sales network as well as trading companies and agencies worldwide. The companies in the Services Division provide services such as data processing, telecommunications services, scrap dealing, the handling and storage of bulk cargo, transportation, and other services. The Technology Division operates in the filling and packaging technology segment.