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.