Building technology/ building services (building automation)Cable layingCommunication technologyData network worksElectrical installationIndustrial construction and hall buildingLighting systemsLightning protectionPhotovoltaicsPlant engineeringRenewable energiesSafety technologySolar panels
BricklayingConcrete worksIndustrial construction and hall buildingPhotovoltaicsReinforced concrete worksReinforcementRoofing worksShellSolar panelsSteel construction
BricklayingBridge constructionCanal constructionDemolition worksEarthworksIndustrial construction and hall buildingReinforced concrete worksShellTurn-key construction
Assembly worksCleaningIndustrial construction and hall buildingPipeline constructionPlant engineeringRemediation worksScaffoldingSteel constructionStructural engineeringUnderground construction