ITSEP is a professional group (Industrialists in Stormwater Treatment and Storage solutions) born in 2018 from the merger between the STORM (SAUL Industrials, Ultralight Alveolar Structures) and ISGH (manufacturers of prefabricated structures for the decontamination of wastewater) unions. runoff water).

This union is committed to a quality approach to guarantee to the owners, the reliability and the relevance of the works carried out in Ultralight Alveolar Structures (SAUL)

Its missions are to prevent the proliferation of floods, to ensure the preservation of natural environments and to participate in improving thermoregulation in the city.

ITSEP website


Association for the Operational Development and Promotion of Alternative Stormwater Techniques

This 1901 law association, located in the Hauts de France, in Douai, aims to promote the sustainable and integrated management of rainwater.

ADOPTA website

Réseau environnement

Association located in Nord Pas de Calais which federates and organizes know-how eco-companies specializing in each area of ​​the environment: water, air, noise, waste, soil, environmental management, services.