Peninsular Telephone Company Building was created in 1925.
Southern Bell Telephone Company Building was created in 1929.
Bell Telephone Company Building - Philadelphia - was created in 1925.
Southern New England Telephone Company Building was created in 1931.
Bell Telephone Company of Pennsylvania Western Headquarters Building was created in 1958.
Southern New England Telephone Company Administration Building was created in 1938.
Vancouver Telephone Building was created in 1934.
New England Telephone Building was created in 1906.
Providence Telephone Company was created in 1893.
Oriental Telephone Company was created in 1881.
Armstrong Telephone Company was created in 1946.
Bell Telephone Company was created in 1877.
Central Telephone Company of Virginia was created in 1971.