Carmat is focused on the research and development of an innovative product in the medical sector, developing an orthotopic and biocompatible artificial heart which is completely implantable, as well as its electrical power supply system and remote diagnosis system. Co. is developing a long-term therapeutic solution for patients who suffer from advanced bi-ventricular heart failure and who are not eligible for cardiac transplantation and who have exhausted all drug possibilties. Co. is still in the phase of research and development and thus do not generate any revenues.

Derichebourg provides services to businesses and to local and municipal authorities. Co. covers the entire waste recycling chain, from collection through to recuperation, as well as a range of services to businesses and to local and municipal authorities. Co.'s activities can be divided into three segments: Environmental Services segment which is engaged in the processing and disposal of waste and of end-of-life products; Business Services segment which offers a range of front end services (reception, cleaning, energy, parks and gardens maintenance, temporary workers) and Airport Services segment which provides outsourced airport services like services for stopover management and airfreight.

Realites SA, formerly known as Realites SCA is a France-based company principally engaged in the land subdivision in the sector of real estate development and operations. The Company supports businesses, elected officials, investors and individuals in their development projects construction and investment. Realites SA offers many real estate listings for sale programs, such as individual houses, apartments, services buildings like senior residences, offices and shops, among others. The Company offers real estates for housing, like primary and secondary residences, as well as a rental property investment or to build wealth. The Company provides its services in number of cities in France, such as Rennes, Nantes and Saint-Nazaire, among others.