A United Airlines Airbus A320 approaches the  runway powered by IAE V2500 engines and  equipped with nacelles and more than a dozen  systems from UTC Aerospace Systems, including  flight controls, electric power, lighting, air data  systems, ice detection, cockpit controls, and  wheels and brakes. Our acquisition of Goodrich  Corp. and our majority ownership in the IAE  International Aero Engines AG collaboration  reshaped our portfolio and strengthened our position in the fast-growing commercial  aerospace market.  United Technologies Corporation (UTC)  is  a diversified company that provides a broad  range of high-technology products and services  to the global aerospace and building systems  industries. Our commercial businesses are Otis elevators and escalators, and UTC Climate,  Controls & Security, which includes Carrier  heating, air-conditioning and refrigeration  systems, as well as fire and security solutions  from brands such as Kidde and Chubb. Our aerospace businesses are Sikorsky  helicopters, Pratt & Whitney aircraft engines  and UTC Aerospace Systems. The company  also operates a central research organization  that pursues technologies for improving the  performance, energy efficiency and cost of UTC products and processes.  To learn more, visit  www.utc.com .