Sogreah was founded in 1923 when the Laboratoire Dauphinois d’Hydraulique was built in Grenoble. In 1955, the laboratory renamed itself Société Grenobloise d’Etudes et d’Applications Hydrauliques (Sogreah).Histoire de Sograh , Proscot Sogreah specialised in design studies and construction projects in the field of hydraulics. It has a hydraulics physical scale model laboratory, a shiphandling training centre, and a range of numerical models. In 1958, the company moved into rural engineering, irrigation, water supplies and sewerage systems. Sogreah also operated in the water, energy, the environment and urban development sectors. It participated in the design of the tidal power station on the River Rance in France and developed the tetrapod, a concrete breakwater armouring block. In 1967, Sogreah became part of the Alstom group, which subsequently became Alcatel. On 31 December 1998, Sogreah become an independently held company via a MBO, after which its staff size tripled to over 1200 employees.
