Geostock is an international engineering group and a key player in the underground storage of liquid, liquefied and gaseous hydrocarbons.

Founded in 1965, the company has acquired unique know-how in its field. Whatever the products stored or the techniques used, Geostocks expert knowledge enables it to provide quality services and solutions in the forefront of technology.

Geostock can rely on its network of companies to propose a global offer all along the underground storage chain (consulting, engineering and operations), but also a targeted offer tailored to the needs of the customer, who receives our support right from the start of the project.

The Geostock group is made up of the Geostock Holding company, whose shareholders are Entrepose Group - Vinci Group - (90%) and Total (10%) and a number of subsidiaries and interests all over the world, offering their know-how in the field of underground storage.