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Construcciones Aeronáuticas SA was created in 1926.
Fomento de Construcciones y Contratas was created in 1900.
The population of Fomento de Construcciones y Contratas is 92,290.
Construcciones y Auxiliar de Ferrocarriles was created in 1917.
Construcciones y Auxiliar de Ferrocarriles's population is 7,000.