Johnson Controls (JCI) makes car batteries and interior parts for combustion engine and hybrid electric vehicles, as well as energy-efficient HVAC systems for commercial buildings. Products include instrument panels and a slew of electronics. OEM customers include GM, Daimler, and Ford. The battery unit supplies car batteries for retailers such as Advance Auto Parts, AutoZone, Pep Boys, and Wal-Mart. The building efficiency unit makes, installs, and services mechanical equipment that controls HVAC, lighting, security, and fire systems in commercial buildings. In mid-2016, JCI made industry headlines through its $16.5 billion purchase of Tyco International.