A little birdie...

...tells me the Tata Crucible quizzie for corporats (!) is back, in August. Meanwhile, answer this: In 1926, three brothers, Adriano, Marcello and Bruno, founded Societa Scientifica Radio Brevetti in Bologna to produce vacuum tubes, condensers and other radio components, becoming successful enough by 1935 to construct a new factory in the Borgo Panigale area of the city. Which company?