Air France-KLM is a holding company. Through its subsidiaries, Co. is engaged in transporting passengers and cargo, aeronautics maintenance and other air-transport related activities, including catering and charter services. Co. operates in six geographical regions: Metropolitan France; Europe (except France) and North Africa; Caribbean, French Guiana and Indian Ocean; Africa, Middle East; Americas, Polynesia; and Asia and New Caledonia. Co. organizes its business around the following four segments: Passenger, providing passenger transportation services on scheduled flights; Cargo, transporting freight on flights and selling cargo capacity to third parties; Maintenance, and Other activities.

DBV Technologies is a clinical-stage specialty biopharmaceutical company focused on immunotherapy. Co.'s therapeutic approach is based on epicutaneous immunotherapy (EPIT), its proprietary method of delivering biologically active compounds to immune systems through intact skin using a platform called Viaskin. Viaskin is an electrostatic patch that offers a self-administered, non-invasive immunotherapy to patients. Once applied on intact skin, Viaskin forms a condensation chamber that hydrates the skin and solubilizes the antigen, allowing it to penetrate the epidermis, where it's captured by Langerhans cells. Co.'s patients include infants and children suffering from severe food allergies.

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.

Sopra Steria Group is a global player in IT services, with operations in consulting, software development, and integration. In addition to France, Co. operates in the United Kingdom, Spain, Italy, Switzerland, Germany, and Belgium, assisting its clients in managing the transformation of their businesses and information systems. Co. divides its operation into three categories: Consulting, Systems and Solutions Integration, and Software Development; which it spreads among eight major verticals: Financial Services, Insurance and Social Welfare, Public Sector, Telecom Operators, Aerospace and Defense, Energy, Transport and Courier Services, and Retail.