Maine Northern Railway

The Maine Northern Railway Company Limited (reporting markMNRY) is a 258 mi (415 km) U.S. and Canadian short line railroad owned by the New Brunswick Railway Company, a holding company that is part of "Irving Transportation Services", a division within the industrial conglomerate J.D. Irving Limited.

MNRY operates over tracks that were originally built for the Bangor & Aroostook Railroad (reporting markBAR) but were most recently owned and operated by the Montreal, Maine & Atlantic Railway (reporting markMMA). Approximately 233 mi (375 km) of MNRY's route is owned by the government of the state of Maine while the remaining 25 mi (40 km) is owned by MNRY outright, including the tracks in Canada.

MNRY has two sister companies, the New Brunswick Southern Railway (reporting markNBSR) and Eastern Maine Railway (reporting markEMRY) which operate a continuous 189.5 mi (305.0 km) main line connecting Saint John, New Brunswick with Brownville Junction, Maine in addition to another 41.7 mi (67.1 km) of branch lines owned and operated by NBSR in Canada.