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.

Valneva, together with its subsidiaries, is focused on vaccine development and antibody discovery. Co. generates revenue from both its marketed product, a vaccine for the prevention of Japanese encephalitis (IXIARO®/JESPECT®), commercial partnerships around a portfolio of product candidates and licensed technology platforms (EB66® cell line, VIVA,Screen antibody discovery technology, and the IC31® adjuvant) developed by Co. Related business activities include product research and development, regulatory and clinical activities, manufacturing of commercial product and advanced clinical product candidates, as well as administrative, corporate development, and marketing and sales activities.