Greenbrier Rail Service, 1109 S 12th St, Kansas City, KS 66105, US

Progress Rail Services is one of the largest providers of rail and transit products and related services in North America. As a wholly owned subsidiary of Caterpillar Incorporated, the company operates more than 100 facilities in the United States and over 25 in Mexico, as well as Canada and South America. The company s Signal Division specializes in the engineering, design, manufacture, installation and contract maintenance of centralized traffic control systems and crossing warning devices. Progress Rail Services provides automobile scrapping, derailment, and industrial and consumer services. It serves the rail industry throughout the world. The company s subsidiary, Chemetron Railway Products, has been manufacturing and operating electric flash-butt welders since 1957. Its Locomotive & Railcar Services business unit supplies axles, bearings, couplers, side frames, bolsters and traction motors to short line and transit railroad companies, as well as private car owners.