Assembly worksDoors and gatesDry constructionFaçade worksFire protectionGlass facadesIndustrial construction and hall buildingInsulationInsulation technologyInterior constructionLocksmith worksPipeline constructionRailingsRemediation of hazardous substances / Asbestos abatementStair constructionSteel constructionVentilationWaste disposal
Concrete worksDemolition worksDewatering worksDrainage worksDredgingEarthworksIndustrial construction and hall buildingInsulationPrecast concreteReinforced concrete worksReinforcementStair construction