Drillisch is a holding company. Co. through its subsidiaries, is a mobile virtual network operator in Germany. The services acquired from the network operators Telekom Deutschland GmbH, Vodafone D2 GmbH, E-Plus Mobilfunk GmbH and Telefonica O2 Germany GmbH & Co. OHG are sold further to the end consumers for Co.'s own account and at rates established by Co. Co. organizes its operations into three segments: telecommunications, which includes its activities in the sector of wireless services; freenet holding, which comprises the operations of its freenet AG subsidiary; and software services, which involves activities related to the development and marketing of a workflow management software.

Bastide le Confort Medical is a holding company. Through its subsidiaries, Co. is engaged in the home health care industry. Co. retails and rents medical equipment and provides medical services. Products include breathing apparatus, orthopedic shoes, walking aids and wheelchairs, home appliances and furniture adapted to the needs of the lesser able, with the recent addition of equipment related to perfusion and nutrition. Co. operates through a number of outlets concentrated mainly in the South of France, offering advice and information to customers along with the provision and maintenance of medical equipment.

Carmat is focused on the research and development of an innovative product in the medical sector, developing an orthotopic and biocompatible artificial heart which is completely implantable, as well as its electrical power supply system and remote diagnosis system. Co. is developing a long-term therapeutic solution for patients who suffer from advanced bi-ventricular heart failure and who are not eligible for cardiac transplantation and who have exhausted all drug possibilties. Co. is still in the phase of research and development and thus do not generate any revenues.

Eramet is a mining and metallurgical group, which specializes in the extraction, production and marketing of non-ferrous metals, their chemical derivatives, alloys and superalloys, and parts. Co.'s operations are divided into three divisions: Nickel division which focuses on nickel and its derivative applications; Manganese division which focuses on manganese alloys, manganese chemical derivatives and provides recovery and recycling services of metals contained in oil-industry catalysts, electric batteries and acid solutions; and Alloys division which produces and sells special high-performance steels, superalloys and pre-machined parts based on these materials or aluminium and titanium.

Fastned BV is a company based in the Netherlands that owns and develops charging stations. The Company offers charging solutions to electric transportation through solar and wind energy. It serves customers in Europe.

Groupe Gorge is a holding company engaged in three areas of operation: Smart Safety Systems (develops Smart Safety Systems designed to operate in hostile and constrained environments for civil and defense sectors); Protection in Nuclear Environments (protection solutions in nuclear environments: shielding by partition systems in nuclear power stations & protection against radiation for staff working in nuclear environments); and Industrial Project Services (industrial projects and maintenance, creating production tools and turnkey operation areas, projects and services in industrial robotics, iron works, automation, 3D printer offerings, electricity and fire fighting systems).

Kapsch TrafficCom is an international supplier of superior intelligent transportation systems (ITS). Co. subdivided into the following three segments: Road Solution Projects; Services, System Extensions, Components Sales; and Others. The segment Road Solution Projects relates to the installation of ITS solutions. The segment Services, System Extensions, Components Sales relates to the sale of services and components in the area of ITS solutions. The segment Others relates to non-core business activities conducted by Kapsch Components KG. In this segment, Co. offers engineering solutions, electronic manufacturing and logistics services to affiliated entities and third parties.