Johnson Controls International plc (JCI) operates as a global entity specializing in the engineering, production, installation, and upkeep of various building products and integrated systems. Its business activities span the United States, Europe, Asia Pacific, and other international regions, structured across four segments: Building Solutions North America, Building Solutions EMEA/LA, Building Solutions Asia Pacific, and Global Products. The company provides a comprehensive suite of services, encompassing the design, sale, installation, and maintenance of heating, ventilation, air conditioning (HVAC), control systems, building management solutions, refrigeration units, integrated electronic security, fire detection and suppression systems, and a range of fire protection and security products.