What Argentinian company made the  Ballester–Molina, and also manufactured aircraft, machinery, and vehicles?
Hispano-Argentina Hispano-Argentina was an Argentinian automotive and engineering company that manufactured vehicles, aircraft, machinery, weaponry and parts for public works.
Anglo-Argentine Tramways Company The Anglo-Argentine Tramways Company (Spanish: "Compañía de Tramways Anglo Argentina"), known simply as "La Anglo" in Argentina, was a large transportation company which operated the vast majority of the largest network trams in Buenos Aires, which was also one of the largest in the world at the time with its 875 km length. The company also created Buenos Aires' first underground tram line, which would go on to become Line A of the Buenos Aires Underground and owned other tramways around the country.