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).

Ateme SA. Ateme SA is a France-based company, which is a global solution provider in advanced video compression for the broadcast and telecom industries. It develops hardware and software solutions in video and signal processing. ATEME encoding solutions are deployed widely in broadcast contribution links over satellite or fiber networks, in video distribution to the home, and in multi-screen delivery of live channels and VOD, also known as Over-The-Top video. The company addresses compression applications ranging from Ultra High Definition TV and 3D to Web and mobile streaming. The Company offers a range of products divided into such group as Contribution Encoders, Broadcast Encoders, Transcoders, Integrated receiver decoders, Multiplexers and Network Management System.

Cegedim is a technology and services company. Co. supplies services, IT tools, specialized software, information flow and database management services to healthcare industries, pharmaceutical companies, healthcare professionals and insurance companies. Co.'s operations can be divided into three sectors: CRM and Strategic Data (optimizing marketing and sales strategies, namely through tools and databases for managing sales forces, returns on investment, market or prescriber studies); Healthcare Professionals (software publishing with availability of promotional information) and Insurance and Services (software publishing and management of healthcare reimbursement flows).

Compagnie des Alpes SA is a France-based holding company active in the tourism and leisure industry in two distinct areas: the operation and maintenance of ski resorts and the operation of family leisure parks and attractions. It equips, maintains and operates ski resorts in the Alps region in France, Italy and Switzerland. Its activities include lift handling, trail maintenance, grooming and snowmaking, and operation of ticket booths. Compagnie des Alpes SA is active in the leisure park industry through its subsidiary, Grevin & Cie SA, which manages leisure sites in France, the Netherlands, Germany, Belgium, Switzerland and the United Kingdom. It offers three types of activities: theme parks, nature and animal parks, and tourist attractions. It operates in France, Switzerland, Germany, Belgium, Russia and Luxembourg. In April 2014, it sold 30% stake in Groupe Looping to HIG Capital France, and announced the agreement with MacEarth and the aquisition of 2.5% stake in the company.

EXEL Industries designs and manufactures precision spraying equipment that it markets to three markets: farming, industry and consumers. Co. organizes its operations into two divisions: Plant Protection (manufactures professional, semi-professional and consumer agricultural spraying equipment for plant protection; plant health products sprayed include herbicides, insecticides, fungicides, liquid fertilizers and other products) and Material Protection (supply of material protection products in two different areas: paint and viscous industrial product application equipment; and elimination of dust and odors).

High Co SA is a France-based marketing services group for mass-market retailers and consumer goods manufacturers. The Company offers marketing solutions, such as coupon issuing, a promotional technique that entitles the customer to a discount on a product; sampling, which consists in offering free samples to test a product; point-of sale, which ranges from shelf tags to in-store radio announcements, floor graphics and in-store field marketing; clearing, which consists of processing discount coupons and money-back offers; marketing communication agencies, which provide support for brands and retailers in their marketing campaigns, and digital services with the subsidiary, HighCo 3.0., which advises and assists clients on the integration of digital technologies for distributors and brands. The Company operates in France, Spain, United Kingdom, Poland, Russia and Turkey, among others.

ID Logistics is an international contract logistics group that designs and implements one-stop services tailored to the specific requirements of each client. The services Co. offers combine customized architectures to allow clients to optimize their supply chain.

Infotel is a group of consulting companies and a global software vendor. The Group has developed a complete service offering and a range of software for enterprise servers. Co. provides consultancy, analysis, IT system audits, third-party application maintenance and software testing solutions. Co. designs and implements, as service contracts or service desk, management projects by implementing advanced methods and technologies, from mobile technology to databases. Co. has developed software to assist customers in areas such as DB2® (security, performance and management), data management and archiving, web-enables or quality applications and relational database performance.

Manitou BF is active on the global market for material handling. Co. divides its activities into three divisions: Rough Terrain Handling (RTH) where Co. assembles and distributes rough terrain handling equipment such as masted forklift trucks and fixed and rotating telescopic forklift trucks; Industrial Material Handling (IMH) where Co. designs and distributes semi-industrial masted forklift trucks; industrial forklift trucks; truck-mounted forklifts; and Compact Equipment (CE) where Co. designs, assembles and distributes skid steer loaders, telescopic forklift trucks, articulated loaders and mini excavators. Co.'s brands include Manitou®, Gehl®, Mustang®, Loc®, Edge®.

McPhy Energy SAS is a France-based company that develops hydrogen storage and production solutions for the merchant hydrogen market and renewable energy markets. The Company sells solid-state hydrogen technology to provide a way for industrial gas renewable energy storage. Its products include the electrolyzer, a hydrogen generator that uses water as a raw material; solid hydrogen storage solutions with MCP and MGH series; and other ways that integrate electrolyzers and other solutions. It has offices in such countries as France, Italy and Germany and agents and distributors in Europe, Asia and Americas.

Mersen produces materials and electrical components intended for alternative energies, chemicals and pharmaceuticals, rail transportation, electronics and process industries. Co. divides its operations into two segments: Advanced Materials and Technologies (AMT - Materials), and Electrical Components and Technologies (ECT - Electrical). In addition, Co. produces four types of products: Electrical Applications, Electrical Protection, High-Temperature Applications, and Anticorrosion Equipment. Co. also caters to the process industries, supporting their transition towards greater energy efficiency and boasts an efficient manufacturing base with plants employing the very latest technologies.

Roche Bobois SA, formerly Furn Invest SAS, is a France-based company operating in the furniture design and distribution businesses. It offers a broad range of made-to-order customizable designs, manufactured in small European workshops. The full furniture collection, divided in Living Room, Dining Room, Desks, Bedroom, Outdoor Furniture, and Other Products includes sofas, armchairs, cocktail tables, dining chairs, sideboards, beds, wardrobes, storage and accessories including lighting, cushions and rugs. The Company service offering includes Delivery, Financing, Warranty, Wedding Registry, Maintenance Guide, Catalogues, Interior Design and Online 3D (tridimensional) Planner. The Company operates through retail or franchising stores and owns more than 250 showrooms across the world. It is active in Europe, America, Africa, Asia and Middle East.

Ses Imagotag SA Formerly known as Ses-Imagotag SA. Ses Imagotag SA is a France-based company, which designs and markets electronic shelf labeling systems for food and non-food retail industries. The Company's solutions include store electronic systems (SES), electronic labels, software, radio and mounting systems. The Company's solutions are designed for every type of retail environment, including hypermarkets, supermarkets, electronics stores, garden centers, pharmacies and service stations. The Company's products are distributed in approximately 50 countries worldwide. Ses Imagotag SA's main clients include Intermarche, E. Leclerc, Monoprix, Groupe Casino, Carrefour and Auchan. The Company has a global presence, through its own subsidiaries and representations, in Italy, Spain, the United Kingdom, Scandinavia, Canada, Mexico and Singapore, as well as more than 60 international partners. It operates through imagotag GmbH, a manufacturer of electronic components.

Voltalia. Voltalia SA is a France-based holding company engaged in the renewable utilities sector. It designs, develops and operates electric power stations in numerous countries, such as France, French Guyana, Brazil, Greece and Morocco. The Company generates electricity using a variety of renewable energy sources. These include wind, water, biomass and solar power. In addition, Voltalia SA specializes in carbon credit trading activities. The Company operates several subsidiaries, including Anelia and Bio-Bar in France, Voltalia Guyane, SIG Kourou, SIG Mana and SIG Cacao in French Guyana, Voltalia Energia do Brasil in Brazil, Thegero in Greece and Alterrya Maroc in Morocco, among others. The Company is owned by Voltalia Investissement SA.