Akka Technologies is an engineering and technology consultancy company. Co. bases its service around two areas which enable it to cover the full life cycle of a product: information and systems technology and engineering. Co.'s activities can be divided into six areas: Mechanical Engineering, Process Engineering, Document Engineering, Industrial Information Technology and Embedded Systems, Information Systems and Consulting. Co. operates mainly in France, Belgium and Germany. Co also operates in Italy, Romania, Switzerland, Spain, England and Canada.

Alten is a holding company. Through its subsidiaries, Co. operates in three areas: Engineering and Technology Consulting (ETC), Telecoms Networks and Multimedia, and Information Systems (NTIS). Through the Engineering and Technology Consulting (ETC) segment, Co. studies and designs technology products for technical divisions in industry and telecoms. The Telecoms Networks and Multimedia segment focuses on Product design, Architecture, deployment, and operation of networks. Lastly, the IT systems segment comprises Applications and software development, and Infrastructure and Telecoms (Applications, systems and networks Corporate telecommunications).

Altran Technologies is a global player in the advanced engineering and innovation consultancy market, operating in more than 20 countries, particularly in Europe, Asia and North America. Co. advises and accompanies clients in creating and developing new products and services, intervening during the strategic planning stages of new technologies and offering products support and services throughout all developmental phases. Co. offers its consulting services as technical backing, project support and end-to-end services, providing deliveries of customized products. Co. operates in two segments: Innovation and Advanced Engineering Consulting and Organization and Information Systems Consulting.

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.

Bigben Interactive is engaged in designing and distributing accessories for video game consoles for the European markets (France, Germany, Belgium, Luxemburg, the Netherlands). Co.'s activities can be divided into four categories: design and distribution of accessories for video game consoles (controllers, steering wheels, memory cards, pistols); exclusive distribution of video game software; non exclusive distribution of video game consoles and software; publication and distribution of promotional products (USB keys, watches, electronic gifts, audio gifts).

Lagardere Groupe is a holding company. Through its subsidiaries, Co. is engaged in the media industry (news, education, culture and entertainment businesses). Co.'s main activities in the media industry can be divided into four separate divisions. Lagardere Publishing includes Co.'s Book Publishing and e-Publishing businesses. Lagardere Active encompasses Co.'s Magazine Publishing, Audiovisual (Radio, Television, Audiovisual Production), Digital and Advertising Sales Brokerage businesses. Lagardere Services encompasses the Travel Retail and Distribution businesses. Lagardere Unlimited specializes in sports and entertainment.

Soitec is a manufacturer of silicon and integrated circuits. Co. offers products based on Silicon-on-Insulator (SOI), which serves to support the manufacturing of more energy-efficient integrated circuits. Co.'s operations can be divided into three divisions: Electronics, Solar Energy and Lighting. The Electronics division manufactures and sells substrates and components intended for the microelectronics industry; the Solar Energy division manufactures and sells photovoltaic modules, designs and constructs turnkey projects, and operates photovoltaic power plants; and the Lighting division isolates resources to develop materials designed for the production of light emitting diodes.