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Rochester Telephone Corporation was founded in 1920 and provided local telephone service to Rochester, New York. It became Frontier Corporation in 1995, trading on the NYSE under the FRO symbol. Ownership passed to Global Crossing in 1999, and then, in 2001, to Citizens Utilities Corporation, which later changed its name to Frontier Communications. Rochester Telephone was the thirteenth largest diversified American telecommunications company and the largest telephone company in New York. It provided local telephone service to customers in 14 states and operated subsidiaries in a number of related fields. The company was founded in the fledgling days of the telephone industry as an independent telephone operation, not affiliated with the nationwide Bell network. After suffering the effects of poor management in the middle years of the century, Rochester Telephone recovered and grew rapidly in the 1960s and 1970s. This strong progress allowed the company to successfully diversify in the 1980s. ==History== Principal Subsidiaries: RCI Long Distance; Rotelcom, Inc.; Rochester Tel Mobile Communications; Rochester Tel Cellular Holding Corporation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rochester Telephone (New York)」の詳細全文を読む スポンサード リンク
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