Air conditioningBuilding technology/ building services (building automation)Electrical installationHeatingHydraulic engineeringRefrigerationRemediation worksSanitaryVentilation
Concrete worksEarthworksGeneral contractorsIndustrial construction and hall buildingPaving worksPlant engineeringRemediation worksRoad constructionStructural engineeringTurn-key constructionUnderground construction
Bridge constructionCivil engineeringConcrete worksDemolition worksEarthworksGeneral contractorsIndustrial construction and hall buildingRemediation worksRoad constructionSealing worksStructural engineeringUnderground construction