This industry comprises establishments primarily engaged in providing specialized services for railroad transportation, including servicing, routine repairing (except factory conversion, overhaul, or rebuilding of rolling stock), and maintaining rail cars; loading and unloading rail cars; and operating independent terminals. Establishments primarily engaged in--

Including:

• Freight car cleaning services
• Grain leveling and trimming in railroad cars
• Loading and unloading services at rail terminals
• Locomotive and rail car repair (except factory conversion, factory overhaul, factory rebuilding)
• Maintenance of rights of way and structures, railway
• Railroad switching services
• Railroad terminals, independent operation
• Railway terminals, independent operation
• Shunting trailers in rail terminals
• Switching services, railroad