AMTK
| Amtrak | 2 |
ANR
| Angelina and Neches River Railroad | 1 |
BCOL
| Canadian National Railways | 1 |
CHV
| Chattahoochee Valley Ry | 1 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
FXE
| Ferromex | 2 |
GNRR
| Georgia Northeastern | 1 |
HS
| H and S Railroad Company | 2 |
IBOX
| TTX Company | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 1 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SAL
| Seaboard Air Line | 1 |
SOU
| Southern | 58 |
UP
| Union Pacific Railroad Company | 2 |