AMTK
| Amtrak | 20 |
ATR
| ATR | 4 |
BNSF
| BNSF Railway | 3 |
CGW
| Chicago Great Western | 7 |
CN
| Canadian National Railways | 7 |
CNW
| Chicago & Northwestern | 19 |
CSX
| CSX Railroad | 13 |
CWEX
| Midwest Generation LLC | 6 |
CWI
| Chicago and Western Indiana | 11 |
CWRX
| CWR TRANSPORTATION CO. | 2 |
FSRR
| FerroSur | 19 |
FTVM
| FerroValle | 51 |
FXE
| Ferromex | 52 |
GCRY
| Grand Canyon Railway | 2 |
GTW
| Grand Trunk Western | 1 |
GW
| GW | 4 |
IHB
| Indiana Harbor Belt | 3 |
IRYM
| Illinois Railway Museum | 5 |
KCSM
| Kansas City Southern De Mexico | 74 |
LBFX
| L B Foster Co | 28 |
MP
| Missouri Pacific | 3 |
MW
| MW | 4 |
NDEM
| NDEM | 77 |
NS
| Norfolk Southern | 2 |
NW
| Norfolk & Western | 5 |
PGR
| Progressive Rail, Inc | 1 |
RTJX
| RTJX | 1 |
SBC
| Ferrocarril Sonora Baja California | 11 |
TFM
| Kansas City Southern De Mexico | 6 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 2 |