Private company

Geostock (France)

French engineering company

Geostock is a French engineering company founded in 1965, and part of the Vinci Construction group. It specializes in underground energy storage (liquid, liquefied and gaseous hydrocarbons, hydrogen, compressed air, etc.).2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersRueil-Malmaison1

Geostock is a French engineering company founded in 1965, and part of the Vinci Construction group. It specializes in underground energy storage (liquid, liquefied and gaseous hydrocarbons, hydrogen, compressed air, etc.).2

Sources

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