Where was the largest German supermarket corporation founded?
Economy of Berlin:  A number of major German companies were founded in Berlin, such as Siemens, Deutsche Bank, Lufthansa, Allianz, AEG, Telefunken, Osram, Knorr-Bremse and Edeka. Edeka: The Edeka Group is the largest German supermarket corporation, currently holding a market share of 26%.
A number of major German companies were founded in Berlin