Sprint Corporation (2013–2020)
Sprint Nextel Corporation (2005–2013)
Sprint Corporation (1987–2005)
United Telecommunications and United Telephone System (1972–1987)
United Utilities, Inc. (1938–1972)
United Telephone and Electric (1925–1938)
United Telephone Company (1911–1925)
Brown Telephone Company (1899–1911)

Further information:

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