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
Building plumbingCarpentry worksETICSFaçade worksFire protectionIndustrial construction and hall buildingInsulationPlumbing workRemediation worksRoof sealRoofing worksWooden construction