Assembly worksDoors and gatesDry constructionFaçade worksFire protectionGlass facadesIndustrial construction and hall buildingInsulationInsulation technologyInterior constructionLocksmith worksPipeline constructionRailingsRemediation of hazardous substances / Asbestos abatementStair constructionSteel constructionVentilationWaste disposal
Bridge constructionIndustrial construction and hall buildingReinforced concrete worksRemediation worksSpecialised civil engineering workSteel constructionUnderground construction