| United Technologies Corporation |
| Subsidiaries
| Carrier • Clipper Windpower • Otis Elevator Company • Pratt & Whitney • Sikorsky Aircraft • UTC Aerospace Systems • UTC Fire & Security • UTC Power |
| Predecessors
| United Aircraft • United Aircraft and Transport Corporation |
| Former subsidiaries
| Clipper Windpower (2010-2012) • Hamilton Standard (1929-1999) • Hamilton Sundstrand (1999-2012) • Otis Elevating Railway (1892-1918) • Otis Hovair (1985-2014) • Pratt & Whitney Rocketdyne (2005-2013) • Schweizer Aircraft (2004-2012) • Sikorsky Aircraft (1929-2015) • UTC Power (1958-2012) • Vought (1928-1954) |
| People
| Frederick Rentschler |
| Related
| Pratt & Whitney Measurement Systems • SolarReserve |