Diehl Group (also known as Diehl Stiftung) is a company that operates within the Metall, Controls, Defense, Aviation, and Metering divisions. The Metall division offers copper alloys, rods, tubes, profiles, cell contact systems, metal forming parts, and synchronizer rings. The Controls division develops and supplies inverters, user interfaces, panels, power electronics, smart motors, IoT (Internet of things) modules, and gesture control solutions. The Defense division provides guided missiles, air defense systems, ammunitions, reconnaissance and protection products, etc. The Aviation division manufactures cabin lining, luggage compartments, cabin lighting, avionics, fire protection, air distribution, and management systems, as well as cabin and water management systems. The Metering division specializes in water, thermal energy, gas, and electricity metering, software, and system components.