Westinghouse Air Brake Technologies Corporation is a provider of locomotives, value-added, technology-based equipment, systems and services to the freight rail and passenger transit industries across the globe. The company operates under two business segments, namely Transit and Freight segments. The Transit segment manufactures and provides aftermarket parts and services for new locomotives. Through the segment, the company also provides components for new and existing locomotives and freight cars. The Freight segment focuses on manufacturing and offering aftermarket parts and services for new locomotives. The segment also provides components for new and existing locomotives and freight cars.