Assembly worksCleaningIndustrial construction and hall buildingPipeline constructionPlant engineeringRemediation worksScaffoldingSteel constructionStructural engineeringUnderground construction
BricklayingDemolition worksDoors and gatesDry constructionElectrical installationFire protectionGeneral contractorsIndustrial construction and hall buildingInterior constructionPainting worksRemediation of hazardous substances / Asbestos abatementRemediation worksWindows