(Steel) StiffenersBricklayingConcrete repairConcrete worksDewatering worksDrillingIndustrial construction and hall buildingLightning protectionPrecast concreteReinforced concrete worksShellStair constructionStructural engineering
BricklayingBuilding technology/ building services (building automation)Concrete worksEarthworksNatural stone worksReinforced concrete worksShellTurn-key construction