Railway nationalisation in Argentina
Details

Former company
Origin
Provinces
Railway Division
Central Northern (1)
Argentine
La Rioja, Catamarca, Córdoba, Tucumán, Formosa, Chaco, Santiago del Estero, Salta, Jujuy
Belgrano
Córdoba North Western
British
Córdoba
Belgrano
Provincial de Buenos Aires
Argentine
Buenos Aires
Belgrano
Provincial de Santa Fe
French
Santa Fe, Chaco, Córdoba
Belgrano
Midland
British
Buenos Aires
Belgrano
Compañía General de Buenos Aires
French
Buenos Aires, Santa Fe
Belgrano
Córdoba Central
British
Santa Fe, Córdoba, Santiago del Estero
Belgrano
Transandine
Argentine
Mendoza
Belgrano
Central Argentine (2)
British
Buenos Aires, Santa Fe, Córdoba, Sgo. del Estero, Tucumán
Mitre
Buenos Aires Central
Argentine
Buenos Aires, Santa Fe
Urquiza
Entre Ríos (3)
British
Entre Ríos
Urquiza
Argentine North Eastern (4)
British
Entre Ríos, Corrientes, Misiones
Urquiza
Corrientes Economic
Argentine
Corrientes Province
Urquiza
Great Southern (5)
British
Buenos Aires, La Pampa, Río Negro, Neuquén
Roca
Patagonian
Argentine
Río Negro, Neuquén, Chubut, Santa Cruz
Roca
Central Chubut
British
Chubut
Roca
Rosario and Pto. Belgrano
French
Santa Fe, Buenos Aires
Roca
BA & Pacific (6)
British
Buenos Aires, Santa Fe, Córdoba, Mendoza, San Luis
San Martín
Andean
Argentine
Córdoba, Mendoza, San Luis, San Juan
San Martín
BA Western
British (7)
Buenos Aires, La Pampa, Córdoba, San Luis, Mendoza
Sarmiento

Question: Which are the French-owned railway companies that became nationalised? 
Answer: The three French-owned railway companies which were nationalised are the broad gauge Rosario & Puerto Belgrano and the metre gauge Compañía General de Buenos Aires and Provincial de Santa Fe.