United Technologies Corporation (UTC) provides high technology products and services to the building systems and aerospace industries across the world. The Company operates through five segments: Otis; UTC Climate, Controls & Security; Pratt & Whitney; UTC Aerospace Systems and Sikorsky. Otis designs, manufactures, sells and installs a range of passenger and freight elevators for low-, medium- and high-speed applications, as well as a line of escalators and moving walkways. UTC Climate, Controls & Security is a provider of heating, ventilating, air conditioning (HVAC) and refrigeration solutions. Pratt & Whitney segment supplies aircraft engines for the commercial, military, business jet and general aviation markets. UTC Aerospace Systems is a global provider of technologically advanced aerospace products and aftermarket service solutions. Its Sikorsky segment manufactures military and commercial helicopters and also provides aftermarket helicopter and aircraft parts and services.

Official website: www.utc.com