(Steel) StiffenersBricklayingCivil engineeringConcrete worksDemolition worksDewatering worksDrainage worksDredgingEarthworksGabionsGarden and landscape constructionIndustrial construction and hall buildingOutdoor facilitiesPaving worksPool constructionPrecast concreteReinforced concrete worksSauna constructionSealing worksShellStructural engineeringUnderground construction
Construction dryingDredgingElectrical installationFaçade worksPainting worksRemediation of hazardous substances / Asbestos abatementScaffoldingSealing works