United Technologies Corporation

United Technologies (UTC) is a diversified company that provides a broad range of high-technology products and services to the global aerospace and building systems industries. Its commercial businesses are Otis elevators and escalators and UTC Climate, Controls & Security, a leading provider of heating, ventilation, air conditioning, fire and security systems, building automation and controls. Its aerospace businesses are Sikorsky aircraft and the new UTC Propulsion & Aerospace Systems, which includes Pratt & Whitney aircraft engines and UTC Aerospace Systems aerospace products.
www.utc.com