Railway companies covered by the pass

Check this page for an overview of the participating train, ferry and public transport companies in the 30 countries where the Interrail passes are valid.
 

Railway companies

Country Train companies Ferry companies Public transport companies
Austria ÖBB, plus the private train companies ROeEE / GYSEV and Westbahn - S-Bahn: Vienna and Innsbruck
Belgium NMBS / SNCB - -
Bosnia Herzegovina ZFBH    
Bulgaria BDZ - -
Croatia HZ - -
Czech Republic ČD - -
Denmark DSB, and private train companies: Arriva, DSB S-Tog and DSB-Øresund Fjord Line -
Finland VR and private bus companies: Veljekset Salmela and Net-matkat Finnlines, Tallink Silja Oy, Viking Line -
France SNCF Irish Ferries -
Germany Deutsche Bahn (DB) and various private companies (see pdf-document for complete list) Finnlines S-bahn
Great Britain National Rail Irish Ferries, Stena Line -
Greece TRAINOSE Superfast Ferries, Minoan Lines, Grimaldi Lines, Blue Star Ferries  -
Hungary MÁV-START and private railway company: GySEV/Raaberbahn - -
Ireland Irish RailNI Railways Irish Ferries, Stena Line -
Italy Trenitalia and Trenord, Leonardo Express (Roma Termini to Fiumicino Airport) and Micotra Grimaldi Lines, Superfast Ferries, Blue Star Ferries, Minoan Lines -
Luxembourg CFL - -
FYR Macedonia MZ - -
Montenegro ŽCG - -
The Netherlands NS and private railway companies: Arriva, Connexxion, Keolis, Syntus, Veolia and DB Regio Stena Line -
Norway NSB Fjord Line -
Poland PKP and local-government run companies: KM Koleje Mazowieckie, Koleje Dolnoslaskie and Przewozy Regionalne Finnlines -
Portugal CP - -
Romania CFR - -
Serbia SV (Serbian Railways) - -
Slovakia ZSSK - -
Slovenia SZ - -
Spain RENFE Balearia, Grimaldi Lines -
Sweden SJ and private railway companies: Arlanda Express, Arriva, Inlandsbanan, JLT, Norrtåg, Skånetrafiken, Tågkompaniet, Värmlandstrafik and Västtrafik. Finnlines, Tallink Silja Oy, Viking Line, Destination Gotland Ländstrafiken in Norbotten, Veljekset Salmela, Net-matkat
Switzerland

SBB/CFF/FFS and various private railway companies:

Included railway companies

Discounted railway companies

- -
Turkey TCDD - -