Johnson Controls, Inc. is a U.S. diversified company involved in automotive components and building intelligence systems. Johnson Controls was founded in 1885 and is headquartered in Milwaukee, Wisconsin, USA. Johnson Controls is the world's first manufacturer of thermostats and one of the world's largest suppliers of automotive components, mainly automotive seats and batteries. In addition, Johnson Controls provides services for building automation management systems, energy efficiency, and fire protection in the area of building efficiency. In the 2013 World Top 500 ranking, Johnson Controls was ranked 251st.