Honeywell International is a diversified manufacturing company. It operates in four segments: Aerospace Technologies, Industrial Automation, Building Automation, and Energy and Sustainability Solutions. The Aerospace Technologies segment supplies aircraft products, software, and services to original equipment manufacturers. The Industrial Automation segment offers automation control and instrumentation products and services, smart energy products, sensing technologies, etc. The Building Automation segment provides advanced software applications for building control and optimization, sensors, switches, control systems, instruments for energy management, access control, video surveillance, and other solutions. The Energy and Sustainability Solutions segment offers sustainable aviation fuels, petrochemical, refining, natural gas liquefaction technologies, carbon management solutions, etc.