Building technology/ building services (building automation)Canal constructionElectrical installationHeatingIndustrial construction and hall buildingPlumbing workSanitary
Assembly worksDoors and gatesFaçade worksFire protectionIndustrial construction and hall buildingInsulation technologyPlant engineeringStair constructionSteel constructionWindows
Asphalt worksCable layingCanal constructionConcrete worksConstruction materialsDemolition worksDewatering worksDredgingEarthworksGarden and landscape constructionIndustrial construction and hall buildingNatural stone worksRemediation worksRoad constructionStair constructionUnderground construction
Asphalt worksCanal constructionGeneral contractorsIndustrial construction and hall buildingPaving worksRoad constructionSewage treatment plantsShellStructural engineeringUnderground construction