An Engineering Group and World Leader in Underground Storage for Liquid, Liquefied and Gaseous Hydrocarbons, CO2, Effluents, and other products such as CAES or Hydrogen.

Founded in 1965, Geostock, whose shareholders are  Entrepose Group (Vinci Group) (90%) and Total (10%) owns subsidiaries and interests all over the world, offering their know-how in the field of underground storage.

With a network of companies close to their clients, Geostock is able to provide all the resources and expertise necessary to solve your problems quickly while providing top quality service.