AMG Advanced Metaurgical Group NV is a holding company. Through its subsidiaries Co. creates and applies metallurgical solutions to the global trend of sustainable development of natural resources and CO2 reduction. Co. operates in three business segments: the Advanced Materials segment is engaged in the production of specialty metals and alloys; the Engineering Systems segement consists of proprietary technologies for the design and engineering of vacuum furnaces and related equipment used in the production and treatment of metals and alloys; and the Graphit Kropfmuhl's segment extracts, processes and refines natural crystalline graphite

Assystem SA is a France-based company that is principally engaged in engineering and innovation consultancy. The Company offers solutions within a number of sectors, such as Aerospace, Defence, Energy, Nuclear, Life Sciences, Infrastructure, Automotive and Transport. The Company develops the infrastructural engineering and externalized R&D services. It's activities include managing infrastructural investments, from conception to dismantling; aerospace mechanical engineering, providing technical services to aerospace, engine and automotive manufacturers and technology & product engineering, providing services in transport, defense, product hardware and software development. The Company is present Europe, North America and Asia. The main shareholder of the Company is HDL Developpement SAS. It operates through Onyx Promavi, Batir Group, Edison Technical Recruitment Ltd, Radicon Gulf Consult, Engineering Partner Automotive Nordic AB and The Biotech Quality Group, among others.

Gaztransport & Technigaz is an engineering company specialized in membrane containment systems for liquefied gas transport and storage. Co. designs and markets technologies which combine operational efficiency and safety to equip liquefied natural gas (LNG) carriers, LNG floating platforms and multi-gas transport vessels. Co. also provides solutions for onshore storage tanks and the use of LNG as a fuel for vessels propulsion as well as a wide range of services in engineering, consultancy, training, maintenance assistance and technical studies at each stage of the liquefied gas chain.

ProSiebenSat.1 Media is a holding company engaged as a media corporations in Europe, with TV stations in Germany, Austria and Switzerland. Co.'s core business consists of free TV financed by advertising. Co. also owns an international production network along with digital and ventures portfolio. In addition, Co. is engaged as online seller of video content on the internet. Also, Co. is involved in the online games business and operates an e-commerce portfolio. Through its Red Arrow Entertainment Group, Co. produces international TV programs and sells them to TV stations worldwide. Co. has three segments: Broadcasting German-speaking, Digital & Adjacent and Content Production & Global Sales.

Transgene is a biopharmaceutical company that designs and develops immunotherapy and virotherapy products for the treatment of cancers and infectious diseases. Co. is developing three anti-cancer products that are in clinical trials: (cancer of the lungs, liver and oropharynx); two anti-infectious immunotherapy products also in clinical trials: (hepatitis B and C). Co. also has products in the pre-clinical development stage. Co. operates in a single business segment, the research and development of therapeutic vaccines and immunotherapy products. Co. does not have any products on the market. Substantially all of its operations are conducted in France.