Altarea Cogedim is a real estate investment trust and development company. Co. is an active operator in the three main segments — retail, residential & office-hotels property — with the ability to design, develop, market & manage custom-tailored real estate products. In the Retail segment, Co. is active in real estate investment, development, asset management, providing services to third-party customers. In the Residential segment, Co. is a residential property developer. In the Office Property segment, Co. is a global operator active in all commercial property formats: high-rise buildings, business districts, corporate headquarters, renovation projects, green districts & luxury hotels.

ECA Sa. ECA SA is a France-based company which designs and delivers robotic equipment and intelligent solutions for both civil and military application. The Company offers vehicles and crafts for detection, inspection and destruction of mines, inspection systems for nuclear power plants, control and command systems, as well as ground and land robots for anti-terrorist missions and others. ECA SA is split into three divisions: Robotics and Integrated Systems, Simulation and Aeronautics. The Company has several subsidiaries, including, ECA CSIP, ECA CNAI, ECA Faros and ECA Sindel, among others. As of December 31, 2011, ECA SA was 56.4%-owned by Groupe Gorge.

Mercialys is a real estate company, specialized in the transformation and management of shopping centers. Co. manages a portfolio of 91 properties located throughout France at Dec 31, 2013. Co.'s assets are classified into three categories: large regional shopping centers (GLA of over 365,800 sq. m.), neighborhood shopping centers (GLA of over 181,600 sq. m.), and Other assets (40,900 sq. m.). At Dec. 31, 2013, the portfolio comprised 25 large regional shopping centers, 36 neighborhood shopping centers, and 18 other sites such as food stores, specialty stores, independent cafeterias, service malls, and convenience stores, representing a total gross leasable area of about 588,300 sq. m.

Prodways Group SA. Prodways Group SA is a France-based company engaged in the industrial machinery sector. The Company focuses its activities on the industrial three-dimensional (3D) printing market and more specifically on ''rapid manufacturing'' 3D printing for industrial series production. The Company designs, manufactures and sells products for various industries, including automotive, dental, molding, medical, jewelry and luxury, aerospace and defense, architectural and design, consumer products and academic and research. It offers its customers multi-technology, multi-application industrial solutions, 3D printing systems and a wide range of composite, hybrid and powder products. In addition, it also develops its own manufacturing for the podiatry (orthopaedic soles) and dentistry (orthodontic pieces and dental trays) markets that is sold directly to healthcare professionals. It operates through Avenao Industrie and Interson-Protac.

Synergie is engaged in the development of human resources management, by providing services in the field of temporary work, outplacement, recruitment, consulting and training. Co. services different sectors: services and specialized sector (medical, senior employment, human services), transportation and logistics sector, industry sector, construction and civil engineering sector. As of Dec 31 2009, Co. is present in 13 countries in Europe and Canada and reports its activities geographically, in 4 areas: France, Northen and Eastern Europe, Southern Europe and Canada.

Visiativ SA. Visiativ SA is a France-based company engaged in the information technology (IT) consulting and other services. The Company offers integration services for various enterprises, active in the fields of industry, retail and services. Its portfolio of solutions includes Aeronautics & Defense, Consumers goods, Industrial equipment, Transport & mobility, Life sciences, High technologies, Finance & services and Engineering & construction, among others. Visiativ SA operates through NC2 Network Computer Communication SASU (NC2), a Tour De Salvagny-based provider of data processing and hosting services and Solo Solution Autonome SAS, a Guilherand-Granges-based provider of computer systems design services.