Honeywell International Inc. is an American publicly traded, multinational conglomerate corporation headquartered in Charlotte, North Carolina. It primarily operates in four areas of business: aerospace, building automation, performance materials and technologies (PMT), and safety and productivity solutions (SPS). Honeywell is a Fortune 500 company, ranked 115th in 2023. In 2023, the corporation had a global workforce of approximately 95,000 employees. The current chairman is Darius Adamczyk and the chief executive officer (CEO) is Vimal Kapur.

Aerospace is a term used to collectively refer to the atmosphere and outer space. Aerospace activity is very diverse, with a multitude of commercial, industrial, and military applications. Aerospace engineering consists of aeronautics and astronautics. Aerospace organizations research, design, manufacture, operate, or maintain both aircraft and spacecraft.