Argentina: Argentina.gob.ar

Belgium: SNCB

Botswana: Botswana Railways

Bulgaria: BDZ

Canada: Via Rail Canada

China: trains.china.org.cn

Denmark: DSB

Egypt: Egyptian National Railways

Europe-wide: Official Interrail Site | Trainline

Finland: VR

France: SNCF

Germany: Deutsche Bahn

Greece: TrainOSE

Hungary: MAV-START

India: Indian Railways

Italy: Trenitalia

Netherlands: Nederlandse Spoorwegen (NS)

Norway: NSB

Pakistan: Pakistan Railways

Poland: Rozklad

Portugal: Comboios de Portugal

Romania: CFR

Russia: RZD

Switzerland: SBB

South Africa: Shosholoza Meyl, Luxury Blue Train 

Spain: Renfe

Sweden: SJ

Turkey: TCDD

United Kingdom: RedspottedHanky | Trainline

United States: AMTRAK

Zimbabwe: NRZ