BricklayingBuilding technology/ building services (building automation)Concrete worksEarthworksNatural stone worksReinforced concrete worksShellTurn-key construction
BricklayingCanal constructionConcrete worksDemolition worksDewatering worksDrainage worksEarthworksGarden and landscape constructionIndustrial construction and hall buildingPaving worksRemediation worksSteel constructionStructural engineeringUnderground construction