Westinghouse Air Brake Technologies Corp. engages in the provision of equipment, systems, and value-added services for the rail industry. The company is headquartered in Pittsburgh, Pennsylvania and currently employs 31,000 full-time employees. Its Freight Segment builds, rebuilds, upgrades, and overhauls locomotives, services locomotives and freight cars, and provides a range of component and digital solutions for customers in the freight and transit rail, mining, and marine industries. The company also manufactures and services components for new and existing freight cars and locomotives, and supplies railway electronics. Transit Segment manufactures and services components for new and existing passenger transit vehicles, typically regional trains, high speed trains, subway cars, light-rail vehicles and buses. The firm is also focused on engineered safety-critical train connection systems and services for passenger rail rolling stock in Sweden.