Blackburn Aircraft Limited was a British aircraft manufacturer from 1914 to 1963 that concentrated mainly on naval and maritime aircraft.
Handley Page Limited was a British aerospace manufacturer. Founded by Frederick Handley Page in 1909, it was the United Kingdom's first publicly traded aircraft manufacturing company. It went into voluntary liquidation and ceased to exist in 1970. The company, based at Radlett Aerodrome in Hertfordshire, was noted for its pioneering role in aviation history and for producing heavy bombers and large airliners.
The Kawanishi Aircraft Company was a Japanese aircraft manufacturer during World War II.
Caproni, also known as Società de Agostini e Caproni and Società Caproni e Comitti, was an Italian aircraft manufacturer. Its main base of operations was at Taliedo, near Linate Airport, on the outskirts of Milan.
A triplane is a fixed-wing aircraft equipped with three vertically stacked wing planes. Tailplanes and canard foreplanes are not normally included in this count, although they occasionally are.
SIAI-Marchetti was an Italian aircraft manufacturer primarily active during the interwar period.
Grigorovich was a Soviet aircraft design bureau, headed by Dmitry Pavlovich Grigorovich.
Farman Aviation Works was a French aircraft company founded and run by the brothers Richard, Henri, and Maurice Farman. They designed and constructed aircraft and engines from 1908 until 1936; during the French nationalization and rationalization of its aeronautical industry, Farman's assets were assigned to the Société Nationale de Constructions Aéronautiques du Centre (SNCAC).
Blériot Aéronautique was a French aircraft manufacturer founded by Louis Blériot. It also made a few motorcycles between 1921 and 1922 and cyclecars during the 1920s.
The Groupe Latécoère is an aircraft company based in Toulouse, France. Founded by the aeronautics pioneer Pierre-Georges Latécoère during 1917, the company became well known in its first few decades for its range of seaplanes, such as the six-engined Latécoère 631.
Chantiers Aéro-Maritimes de la Seine (CAMS) was a French manufacturer of flying boats, founded in Saint-Ouen in November 1920 by Lawrence Santoni.
