Asphalt worksCanal constructionGeneral contractorsIndustrial construction and hall buildingPaving worksRoad constructionSewage treatment plantsShellStructural engineeringUnderground construction
Cable layingCanal constructionConcrete worksConstruction materialsEarthworksGeneral contractorsIndustrial construction and hall buildingOutdoor facilitiesRoad constructionShellUnderground construction
Building technology/ building services (building automation)Canal constructionElectrical installationHeatingIndustrial construction and hall buildingPlumbing workSanitary
Asphalt worksCable layingCanal constructionConcrete worksConstruction materialsDemolition worksDewatering worksDredgingEarthworksGarden and landscape constructionIndustrial construction and hall buildingNatural stone worksRemediation worksRoad constructionStair constructionUnderground construction