United TechnologiesAvenue des Arts 58
United Technologies in a global leader in the building systems and aerospace industries. Our commercial businesses include Otis elevators and moving walkways, and UTC Climate, Controls & Security, a leading provider of heating, ventilating, air-conditioning, refrigeration, fire & security systems, and building automation and controls. Our aerospace businesses include Pratt & Whitney aircraft engines and UTC Aerospace Systems. UTC also operates a central research organization that pursues technologies for improving the performance, energy efficiency and cost of its products and processes.