BricklayingBridge constructionCanal constructionCivil engineeringConcrete worksDewatering worksDrainage worksDredgingEarthworksGarden and landscape constructionIndustrial construction and hall buildingNatural stone worksOutdoor facilitiesPaving worksPipeline constructionPrecast concreteReinforced concrete worksRoad constructionShellStructural engineering
BricklayingConcrete worksDewatering worksDrainage worksEarthworksFlooring worksInsulationNatural stone worksPaving worksSealing worksSteel construction
Bridge constructionDewatering worksEarthworksGeneral contractorsIndustrial construction and hall buildingRoad constructionStructural engineeringUnderground construction
BricklayingConcrete worksDewatering worksEarthworksIndustrial construction and hall buildingPaving worksReinforced concrete worksRoad constructionShellStructural engineeringUnderground construction
Canal constructionDemolition worksDewatering worksDrainage worksDredgingEarthworksProcessing of building materialsRemediation of hazardous substances / Asbestos abatementSite equipment and safetyUnderground construction