It operates in six segments: Otis, Carrier, UTC Fire & Security, Pratt and Whitney, Hamilton Sundstrand, and Sikorsky.
Otis segment provides passenger and freight elevators, as well as escalators and moving walkways to customers in the commercial and residential property industries.
Carrier segment provides commercial, residential, and industrial heating, ventilating and air conditioning systems; commercial and transport refrigeration; food service equipment; building controls; and energy management and air quality systems.
UTC Fire & Security segment provides intruder alarms, access control, and video surveillance systems; alarm response and security personnel services, as well as cash logistics and physical security; manufactures fire detection, suppression, and fire fighting products; and fire detection and fixed suppression systems, as well as portable fire extinguishers.
Pratt and Whitney segment supplies commercial, general aviation, and military aircraft engines.
It provides spare parts and aftermarket and fleet management services primarily for the engines it produces, along with power generation and space propulsion systems.
Hamilton Sundstrand segment provides aerospace and industrial products and services.
Aerospace products include aircraft power generation management and distribution systems; environmental, flight, fuel, and engine control systems; fuel and special fluid pumps; auxiliary power units; propeller systems; electronic controls and components; and chemical detection and monitoring equipment.
Its industrial products include air compressors, metering devices, fluid handling equipment, and gear drives.
Sikorsky segment manufactures military and commercial helicopters, and provides aftermarket helicopter and aircraft products and services.
United Technologies was incorporated in 1934 and is headquartered in Hartford, Connecticut.
