Building technology/ building services (building automation)Cable layingCommunication technologyData network worksElectrical installationIndustrial construction and hall buildingLighting systemsLightning protectionPhotovoltaicsPlant engineeringRenewable energiesSafety technologySolar panels
Concrete worksEarthworksGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksRemediation worksRoad constructionShellStair constructionTurn-key constructionUnderground construction