Abstract
AbstractAviation (MIC: SIC: 3724 NAIC: 336412)United Technologies has six principal segments: Otis, which is an elevator and escalator manufacturing, installation and service company; Carrier, a manufacturer and distributor of heating, ventilation, and air conditioning and refrigeration systems; UTC Fire & Security, which provides security and fire safety products and services; Pratt & Whitney, which is engaged as a supplier of commercial, general aviation and military aircraft engines; Hamilton Sundstrand, which supplies aerospace and industrial products and aftermarket services; and Sikorsky, which is a manufacturer of military and commercial helicopters and a provider of aftermarket helicopter and aircraft parts and services.
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