Honeywell Aerospace, Honeywell Building Technologies, Safety and Productivity Solutions (SPS), and Performance Materials and Technologies (PMT).

Honeywell Building Technologies and Honeywell Safety and Productivity Solutions were created when Automation and Control Solutions was split into two in July 2016. Honeywell Building Technologies comprises Honeywell Building Solutions, Environmental and Energy Solutions, and Honeywell Security and Fire. On December 7, 2017, Honeywell announced that it has acquired SCAME, an Italy-based company, to add new fire and gas safety capabilities to its portfolio.[89] Honeywell Safety and Productivity Solutions comprises Scanning & Mobility, Sensing and Internet of Things, and Industrial safety.

Honeywell Performance Materials and Technologies comprises six business units: Honeywell UOP, Honeywell Process Solutions, Fluorine Products, Electronic Materials, Resins & Chemicals, and Specialty Materials. Products include process technology for oil and gas processing, fuels, films and additives, special chemicals, electronic materials, and renewable transport fuels.