Located in Camp Hill, Pa., ASF-Keystone designs and builds freight car energy management systems. The company manufactures a wide range of components, such as side frames, bolsters, articulated connectors and couplers draft gears and cushioning devices. In addition, it supplies constant contact side bearings and snubbing packages that include hot-coiled steel springs for rail cars. It is a part of the Amsted Rail Group, which provides services to the railroad freight car transportation industry. The company offers draft assembly services for cushion units, draft gears and couplers. ASF-Keystone additionally designs, tests and manufactures a range of truck systems and other freight car and locomotive components.