Bell Telephone Company companies and to provide further funds for expansion of its overall telephone infrastructure. On April 17, 1880, National Bell was split into the American Bell Telephone Company, led by Theodore Vail as general manager, and with the International Bell Telephone Company (IBTC) as a holding company for its international subsidiaries. IBTC's first non-North American subsidiary was the Bell Telephone Manufacturing Company (BTM), established by Hubbard at Antwerp, Belgium, in 1882. The Bell System's Bell Telephone Company of Canada subsidiary, wholly owned by the National Bell, had been established two years earlier. Alexander Graham Bell's ten shares of Bell Telephone Company
Cincinnati and Suburban Telephone Company Building the lower floors. On the building's facade representations of rotary telephones are carved into the limestone frieze. Continuing the communication motif, still other reliefs depict a runner, telephone inventor Alexander Graham Bell, and nautical flag signals. Cincinnati and Suburban Telephone Company Building Cincinnati and Suburban Telephone Company Building is a registered historic building in Cincinnati, Ohio. It was designed by Harry Hake, and listed in the National Register on April 20, 1995. The Cincinnati Bell Company opened its building at Seventh and Elm streets in 1931. At that time, it housed the world's longest straight switchboard, with 88 operator positions.