Etablissements Borel was a French aircraft manufacturer of the early twentieth century. It was founded by Gabriel Borel(1880-19??) and manufactured a number of monoplane designs between 1909 and 1914. The factory, located at Mourmelon

Mourmelon

Mourmelon - name a commune, both in the Marne department in north-eastern France.* Mourmelon-le-Grand* Mourmelon-le-Petit...

 was temporarily forced to close when the outbreak of World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 saw most of its workers conscripted into the army, but Borel re-opened in November 1915 to produce military aircraft for France under licence from other manufacturers including Caudron

Caudron

The Caudron Airplane Company was a French aircraft company founded in 1909 by brothers Gaston Caudron and René Caudron . It was one of the earliest aircraft manufacturers in France and produced planes for the military in both World War I and World War II...

, Nieuport

Nieuport

Nieuport, later Nieuport-Delage, was a French aeroplane company that primarily built racing aircraft before World War I and fighter aircraft during World War I and between the wars.-Beginnings:...

 and SPAD. After the war, Borel was restructured as the Société Générale des Constructions Industrielles et Mécaniques (SGCIM) and attempted to re-market one of its torpedo bomber designs as a civil transport. However, neither this nor two new-generation fighter designs were able to keep the company in business.