Check this page for an overview of the participating train, ferry and public transport companies in the 27 countries where the Eurail passes are valid.
Download list of participating railway companies (PDF, 217kB)
| Country | Railway company | Ferry company | Public transport |
| Austria | ÖBB, plus the private train companies ROeEE / GYSEV and Westbahn | - | S-Bahn: Vienna and Innsbruck |
| Belgium | NMBS / SNCB | - | - |
| Bulgaria | BDZ | - | - |
| Croatia | HZ | - | - |
| Czech Republic | ČD | - | - |
| Denmark | DSB, and private train companies: Arriva, DSB S-Tog and DSB-Øresund | Fjord Line, Scandlines, Stena Lines | - |
| 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, Scandlines | S-bahn |
| Greece | TRAINOSE (only available in Greek - use Google translate) | Superfast Ferries, Minoan Lines, Grimaldi Lines, Blue Star Ferries | - |
| Hungary | MÁV-START and private railway company: GySEV/Raaberbahn | - | - |
| Ireland | Irish Rail / NI Railways | Irish Ferries, Stena Line | - |
| Italy | Trenitalia and private railway company: Micotra | Grimaldi Lines, Superfast Ferries, Blue Star Ferries, Minoan Lines | - |
| Luxembourg | CFL | - | - |
| Montenegro | ŽCG | - | - |
| The Netherlands | NS and private companies: Arriva, Connexxion, Keolis, Syntus, Veolia and DB Regio | Stena Line | - |
| Norway | NSB | Fjord Line | Nettbuss Møre AS, Veøy Buss AS |
| Poland | PKP and local-government run companies: KM Koleje Mazowieckie and Przewozy Regionalne | Finnlines | - |
| Portugal | CP | - | - |
| Romania | CFR | - | - |
| Serbia | ZS | - | - |
| Slovakia | ZSSK | - | - |
| Slovenia | SZ | - | - |
| Spain | RENFE | Balearia, Grimaldi Lines | - |
| Sweden | SJ and private companies: Arlanda Express, Arriva, Inlandsbanan, JLT, Norrtåg, Skånetrafiken, Tågkompaniet, Värmlandstrafik, Västtrafik and Veolia | Finnlines, Scandlines, Tallink Silja Oy, Viking Line, Destination Gotland | Ländstrafiken in Norbotten, Veljekset Salmela, Net-matkat |
| Switzerland |
SBB/CFF/FFS and various private railway companies: |
- | - |
| Turkey | TCDD | - | - |
