de Havilland Gipsy Major
de Havilland Goblin
de Havilland Gnome

Geoffrey de Havilland began designing aircraft for the Aircraft Manufacturing Company (Airco) in 1914. He established the de Havilland Company in 1920.
Famous de Havilland aircraft include the D.H.4 (designed while at Airco), the Moth series of light aircraft, the Mosquito of World War II fame and the first jet airliner, the Comet.

De Havilland also designed and built aircraft engines. The company's first engine was the Gipsy of 1928. The engine division became The de Havilland Engine Company in 1944.

In 1960 de Havilland became part of Hawker Siddeley Group, Ltd.