CGG is a global participant in the geophysical seismic industry. Co. manufactures geophysical equipment and provides marine, land, and airborne data acquisition services. Co. also provides geosciences services, including data imaging, seismic data characterization, geosciences and petroleum engineering consulting services, and collecting, developing and licensing geological data. Co.'s clients are in oil and gas exploration and production industies. Co. divides its activities into four segments: Equipment, Contractual Data Acquisition, Geology, Geophysics and Reservoir (GGR), and Non-Operated Resources, including eight business lines, six Corporate functions, and four Group Departments.

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.

Hoffmann Green Cement Technologies SAS. Hoffmann Green Cement Technologies SAS is a France-based company, which manufactures cements. The Company mainly manufactures decarbonated cements for construction. Hoffmann Green Cement Technologies SAS is involved in the energy and ecological transition by manufacturing low carbon eco-materials.

Nextstage Sca Formerly known as NextStage AM SAS. NextStage S.C.A. is a France-based private equity firm. The Company is engaged in the long term investments and accompaniment in Medium-sized companies, as well as other related financial services. NextStage S.C.A focuses on investments in Europe . The Company operates as a subsidiary of NextStage AM.