Most of Germany's 1,383,730 fire fighters are members of voluntary fire brigades, with a lesser number working in professional fire brigades either operated by * a municipal body like the city of Berlin (Berufsfeuerwehr - full-time city department) * a larger company ("Werkfeuerwehr", for the needs of the company operating them) i.e. refineries or chemical industry production facilities * airports to meet the ICAO requirements ("Flughafenfeuerwehr" - this includes airplane factories like that of Airbus in Hamburg) * the armed forces ("Bundeswehr-Feuerwehr" with specialized divisions such as "Fliegerhorstfeuerwehr Cologne-Wahn"/located at German air force bases, military bases, naval bases as well as on any ship of the German navy).