Westinghouse Air Brake Technologies 

Westinghouse Air Brake Technologies Corporation, together with its subsidiaries, provides technology-based locomotives, equipment, systems, and services for the freight rail and passenger transit industries worldwide. It offers diesel-electric, battery, and liquid natural gas-powered locomotives; engines, electric motors, and propulsion systems; and marine and mining products. The company also offers positive train control equipment; pneumatic braking products; railway electronics; signal design and engineering services; distributed locomotive power, train cruise controls, and train remote controls; industrial/mobile Internet of Things hardware and software, edge-to-cloud, on and off-board analytics and rules, and asset performance management solutions; rail and shipper transportation management, and port visibility and optimization solutions; and network optimization solutions. In addition, it provides freight car trucks, braking equipment, and related components; air compressors and dryers; heat transfer components and systems; track and switch products; new commuter and switcher locomotives; and turbochargers. Further, the company offers freight locomotive overhauls, modernizations, and refurbishment services; locomotive and car maintenance; transit locomotive and car overhaul; unit exchange of locomotive components; and maintenance of way equipment and services. Additionally, it provides railway and freight braking equipment and related components; friction products, such as brake shoes, discs, and pads; heating, ventilation, and air conditioning equipment; access and platform screen doors; pantographs; auxiliary power converter and battery chargers; passenger information systems and closed-circuit television; signaling and railway electric relays; and doors, window assemblies, accessibility lifts, ramps, and electric charging solutions for buses. The company was founded in 1869 and is headquartered in Pittsburgh, Pennsylvania.