Johnson Controls International PLC JCI

What this company does

The company engineers, manufactures, commissions and retrofits building products and systems, including commercial HVAC equipment, industrial refrigeration systems, controls, security systems, fire-detection systems and fire-suppression solutions. It further serves customers by providing technical services, including maintenance, management, repair, retrofit and replacement of equipment, and energy-management consulting. As of September 30, 2025, it employed approximately 87,000 people worldwide, approximately 31,000 of them in the United States and approximately 56,000 outside it. It conducts its business through three regional operating segments, Americas, EMEA and APAC, each designing, manufacturing, selling, installing and servicing HVAC, controls, building management, refrigeration, integrated electronic security and fire-detection and suppression systems, and digital solutions for its respective markets. Johnson Controls was originally incorporated in the state of Wisconsin in 1885 as Johnson Electric Service Company to manufacture, install and service automatic temperature regulation systems for buildings, and was renamed Johnson Controls, Inc. in 1974. In 2016, Johnson Controls, Inc. and Tyco International plc completed their combination, and Tyco changed its name to Johnson Controls International plc.

Written from the business description in JOHNSON CONTROLS INTERNATIONAL PLC's annual report to the U.S. Securities and Exchange Commission, filed 14 November 2025. Every sentence was checked against that document before publication.