These candid photos illustrate the steps involved in creating fertile soil at the Tertre des Roches site. This soil is made from silt sourced from construction sites, thereby avoiding the need to import topsoil. Discover how our teams are laying this fertile layer to prepare for the planting of this natural space.
Opening of a new ECT site in Villeneuve-les-Sablons, Oise (60) Starting January 12, the Villeneuve-les-Sablons quarry will open to our construction industry clients. Located 25 km from Cergy-Pontoise, the site
Read more
Best wishes 2026 Together, let’s continue to sustainably transform our communities. Thanks to your trust, ECT develops and delivers meaningful projects for local governments and the people they serve.
Read more
In December 2025, ECT conducted its annual survey among its clients in the construction and public works sector to assess their level of satisfaction with our offerings and services for
Read more
