(Stork), and the company produced over 3,000 during World War II. In 1937, Fieseler also produced the Fieseler Fi 253. On April 1, 1939 the company name changed to the Gerhard Fieseler Werke GmbH.

Fieseler's other wartime production would largely consist of building other firms' aircraft under licence, including the Messerschmitt Bf 109 and Focke-Wulf Fw 190.