Canal constructionDemolition worksDredgingEarthworksGarden and landscape constructionPaving worksRoad constructionTransport servicesUnderground construction
Civil engineeringConcrete worksDrillingEarthworksHydraulic engineeringIndustrial construction and hall buildingPlant engineeringSewage treatment plantsShellSpecialised civil engineering workStructural engineeringTurn-key constructionUnderground construction