Construction materialsDoors and gatesElectrical installationFaçade worksGarden and landscape constructionGlass worksHeatingJoinery worksSanitaryStair constructionWindows
Building technology/ building services (building automation)Cable layingCommunication technologyData network worksDoors and gatesElectrical installationFire protectionIndustrial construction and hall buildingLighting systemsLightning protectionPhotovoltaicsPlant engineeringRenewable energiesSafety technologySewage treatment plantsSolar panels