Crane work and rentalFaçade worksLightning protectionRemediation of hazardous substances / Asbestos abatementRoof sealRoofing worksScaffoldingSheet-metal worksWindows
BricklayingCanal constructionConcrete worksEarthworksIndustrial construction and hall buildingPipeline constructionRoad constructionScaffoldingShellStructural engineeringUnderground construction