Johnson Controls International plc is a global diversified technology and multi-industrial leader focused on creating smart, healthy and sustainable buildings. The company offers building efficiency products and integrated infrastructure solutions designed to optimize energy usage, improve occupant comfort and enhance safety and security. Headquartered in Cork, Ireland, with its principal executive offices in Milwaukee, Wisconsin, Johnson Controls serves a broad range of commercial, industrial and institutional customers worldwide.
The company’s core offerings span heating, ventilation and air conditioning (HVAC) equipment, building automation and controls, fire detection and suppression systems, and security solutions. Through a combination of hardware, software and services, Johnson Controls delivers end-to-end building management platforms that enable real-time monitoring and predictive maintenance. Its aftermarket services include preventive maintenance, retro-commissioning, energy performance contracting and sustainability advisory, helping clients reduce operational costs and meet environmental goals.
Founded in 1885 by Warren S. Johnson with the invention of the first electric room thermostat, Johnson Controls has evolved through key milestones such as the 2005 merger with York International and the 2019 spin-off of its Power Solutions (automotive battery) business. Today, the company focuses on advanced building technologies, digital solutions and energy storage systems that support clients’ decarbonization strategies. Its global footprint spans more than 150 countries, with manufacturing facilities, R&D centers and branch offices strategically located across North America, Europe, Asia and other emerging markets.
Under the leadership of Chairman and Chief Executive Officer George Oliver, Johnson Controls continues to invest in innovation and strategic partnerships aimed at accelerating the transition to sustainable, smart buildings. With approximately 100,000 employees, the company collaborates with property owners, facility managers, architects and engineers to deliver customized solutions that drive energy efficiency, occupant well-being and long-term asset performance.