| Railway company |
Logo & link |
A-Train  |
 |
Aare Seeland mobil AG  |
 |
| Aargau Verkehr AG (AVA) |
 |
Abellio  |
 |
| Aberdeen and Rockfish Railroad (AR) |
 |
| Aberdeen, Carolina and Western Railway (ACWR) |
 |
Abukuma Express  |
 |
Achenseebahn AG  |
 |
Administración de Ferrocarriles del Estado (AFE)  |
 |
| Adrian and Blissfield Rail Road (ADBF) |
 |
| Aichi Loop Railway |
 |
| Ainokaze Toyama Railway |
 |
Airtrain Citylink  |
 |
| Aizu Railway |
 |
| Akechi Railway |
 |
| Akita Nairiku Jukan Tetsudo |
 |
| AKN Eisenbahn AG |
 |
| Alaska Railroad |
 |
| Albtal-Verkehrs-Gesellschaft |
 |
| Alpico Group |
 |
| Altamont Corridor Express |
 |
| Amagi Railway |
 |
| AMTRAK (AMerican TRAcK ) |
 |
| Anhaltische Bahn Gesellschaft mbH |
 |
| Aomori Railway |
 |
| Appenzeller Bahnen AG (AB) |
 |
ARA (Afghanistan Railway Authority)  |
 |
Arenaways (stop 2011)  |
 |
AREX (Airport Railroad EXpress)  |
 |
Arlanda Express  |
 |
Arriva Personenvervoer Nederland BV  |
 |
Arriva RP Sp zoo  |
 |
| Arriva Tåg AB |
 |
Arriva Tog A/S  |
 |
Arriva Transport Česká Republika  |
 |
| Arst Gestione FdS Srl (FdS) |
 |
Astra Trans Carpatic  |
 |
Aukštaitijos siaurasis geležinkelis  |
 |
Avanti West Coast  |
 |
Azerbaijan Demir Yollari QSC  |
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