Albioma is an independent energy producer that develops projects in the thermal biomass, solar power, and anaerobic digestion sectors. Co. provides industrial partners with expertise in energy production via hybrid combustion of biomass. In addition, Co. produces biogas by biological decomposition of organic matter in a confined oxygen-free medium, which it either converts into electricity and heat or purifies and then injects into the gas transmission network. It operates facilities on Reunion Island, Mayotte, Guadeloupe, Martinique, and French Guyana, mainland France and Southern Europe. Co. divides its operation into three segments: Thermal Biomass, Solar Power, and Anaerobic Digestion.

Gaztransport & Technigaz is an engineering company specialized in membrane containment systems for liquefied gas transport and storage. Co. designs and markets technologies which combine operational efficiency and safety to equip liquefied natural gas (LNG) carriers, LNG floating platforms and multi-gas transport vessels. Co. also provides solutions for onshore storage tanks and the use of LNG as a fuel for vessels propulsion as well as a wide range of services in engineering, consultancy, training, maintenance assistance and technical studies at each stage of the liquefied gas chain.

Seche Environnement offers environmental management solutions for industrial clients or local authorities. Co. operates waste treatment and recovery facilities and develops tools to produce energy from waste. Co. also collects and sorts all types of waste, whether household or industrial, hazardous or non-hazardous. For local authorities, Co. manages household waste and other environmental concerns. Co. is engaged in thermal treatment, storage, methanization of household waste and production of alternative fuels. For industrial clients, Co. has developed products and services for handling industrial waste from waste production sites to elimination facilities.