By 1962, their Columbia Record Productions unit was operating four plants around the United States located in Los Angeles; Terre Haute, Indiana; Bridgeport, Connecticut; and Pitman, New Jersey, which manufactured records for not only Columbia's own labels, but also for independent record labels.
What 4 areas of the country did Columbia Records have manufacturers in?
{'text': 'Los Angeles; Terre Haute, Indiana; Bridgeport, Connecticut; and Pitman, New Jersey', 'answer_start': 110}