ECT’s Villeneuve-sous-Dammartin site under snow

New site : restoration of a former quarry at Villeneuve-les-Sablons (60)

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

Our best wishes for 2026

  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.

ECT 2025 customer barometer

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