AMTK
| Amtrak | 4 |
BNSF
| BNSF Railway | 49 |
CP
| Canadian Pacific Railway | 6 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
GECX
| General Electric Company | 6 |
MRL
| Montana Rail Link | 41 |
PLLX
| Plymouth And Lincoln Railroad Corp | 2 |
PPCX
| AAPRCO Register Private Cars | 55 |
UP
| Union Pacific Railroad Company | 1 |