22 selected
- Not filled in
- National Rail
- Nederlandse Spoorwegen
- New South Wales (Government Railways)
- New York Central Railroad
- New York Susquehanna & Western Railway
- New York Transport Authority
- New York, Chicago & St. Louis Railroad [Nickel Plate Road]
- New York, New Haven & Hartford RR [New Haven]
- New Zealand Government Railways
- New Zealand Railways Dept./Corp.
- NMBS
- Noord Brabantsch Duitsche Spoorwegmaatschappij
- Norddeutsche Eisenbahngesellschaft Niebüll
- Norfolk and Western
- Norfolk Southern
- Norges Statsbaner
- Norske Statsbaner
- North British Railway
- North Eastern Railway
- Northern Pacific
- NS Cargo
- NS Infra Services