(Steel) StiffenersBricklayingConcrete repairConcrete worksEarthworksIndustrial construction and hall buildingPlasteringReinforced concrete worksRemediation worksShellStructural engineeringTurn-key construction
Construction materialsDemolition worksDredgingEarthworksRemediation of hazardous substances / Asbestos abatementTransport servicesUnderground construction
Building technology/ building services (building automation)Canal constructionConcrete worksDewatering worksEarthworksGeneral contractorsInsulationReinforced concrete worksRemediation worksStructural engineeringUnderground construction