Honeywell International Inc. engages in the aerospace technologies, building automation, energy and sustainable solutions, and industrial automation businesses in the United States, Europe, and internationally. The company's Aerospace segment offers auxiliary power units, propulsion engines, integrated avionics, environmental control and electric power systems, engine controls, flight safety, communications, navigation hardware, data and software applications, radar and surveillance systems, aircraft lighting, advanced systems and instruments, satellite and space components, and aircraft wheels and brakes; spare parts; repair, overhaul, and maintenance services; and thermal systems, as well as wireless connectivity services. Its Honeywell Building Technologies segment provides software applications for building control and optimization; sensors, switches, control systems, and instruments for energy management; access control; video surveillance; fire products; and installation, maintenance, and upgrades of systems. The company's Performance Materials and Technologies segment offers automation control, instrumentation, and software and related services; catalysts and adsorbents, equipment, and consulting; and materials to manufacture end products, such as bullet-resistant armor, nylon, computer chips, and pharmaceutical packaging, as well as provides materials based on hydrofluoro-olefin technology. Its Safety and Productivity Solutions segment provides personal protective equipment, apparel, gear, and footwear; gas detection technology; custom-engineered sensors, switches, and controls for sensing and productivity solution; cloud-based notification and emergency messaging; mobile devices and software; custom-engineered sensors, switches, and controls; and data and asset management productivity solutions. Honeywell International Inc. was founded in 1885 and is headquartered in Charlotte, North Carolina.