United Steel

United Technologies Corp. (NYSE: UTX) provides high-technology systems and services to the building and aerospace industries. It operates through the following four business segments: Carrier; Collins Aerospace; Otis Elevator Co.; and Pratt & Whitney. The Otis Elevator Company designs, manufactures, and markets elevators, escalators, moving walkways, and service. Carrier provides heating, ventilating, air conditioning, and refrigeration solutions. Pratt and Whitney provides aircraft engines for the commercial, military, business jet, and general aviation markets. Collins Aerospace is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. The company was founded in 1934 and is headquartered in Farmington, CT.