Newsletter Register by entering your e-mail address Reception Our techniques Our references Our geolocated sites Contact The foundations Special foundations: our business Discover Sondefor's know-how in the field of special foundations. For more than 20 years, our team has done everything possible to respond to any type of foundation project throughout France. With a team of more than 110 people and a fleet of more than 30 drilling machines, we carry out around 400 projects per year. We take care of the foundations on piles, the realization of retaining walls or the reinforcement of soils during projects such as: The construction of a building , subdivision or house; The Construction Engineering (bio mass boiler, water treatment platform, sewage); The construction of Structures (bridges, footbridges on roads, highways, LGV, etc.); The realization of special works (works on water, river and sea pontoons, booms ...). Discover our sites located throughout France as well as our references. Previous next See all the news ReceptionOur techniquesOur referencesOur geolocated sitesContact Headquarters St-JULIEN-L'ARS. Phone. : 05 49 56 59 49. E-mail . Ile de France / North agency. Phone. : 01 39 72 62 62. E-mail © 2013 - 2016 Learn moreLegal noticeSitemap