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