Railway companies of Vermont

List of railway companies in the American state of Vermont.

Companies based in the United States

 * Amtrak (AMTK), passenger on freight lines
 * Conrail (CR), freight and passenger
 * New York Western Railroad (NYW), freight

Companies based outside of the United States

 * Canadian National Railway (CN), freight
 * Canadian Pacific Railway (CP), freight

Regional railways

 * St Lawrence & Atlantic Railroad (SLR, SLQ), freight

Shortline and terminal railways

 * Green Mountain Railroad (GMRC), freight and passenger

Defunct railways
Years shown here refer to the period in which a given company operated in Vermont; they may have existed elsewhere before or after these years.