AOK
| Arkansas-Oklahoma Railroad | 13 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 2 |
BKTY
| Union Pacific Railroad Company | 8 |
BNSF
| BNSF Railway | 6 |
CN
| Canadian National Railways | 82 |
CNA
| Canadian National Railways | 88 |
CNIS
| Canadian National Railways | 72 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 17 |
CP
| Canadian Pacific Railway | 18 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DWC
| Canadian National Railways | 100 |
FBOX
| TTX Company | 36 |
GACX
| General American Marks Company | 23 |
GRRY
| GRRY | 1 |
GTW
| Grand Trunk Western | 66 |
IC
| Illinois Central | 4 |
ICG
| Illinois Central Gulf | 3 |
KCS
| Kansas City Southern | 3 |
LRS
| Laurinburg and Southern | 23 |
LW
| Louisville and Wadley Railway Company | 11 |
MP
| Missouri Pacific | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
NOKL
| Northwestern Oklahoma | 7 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 24 |
SL
| Salt Lake Southern RR | 1 |
SMW
| St Marys Railway West LLC | 2 |
TBOX
| TTX Company | 206 |
TFM
| Kansas City Southern De Mexico | 2 |
TOBX
| TTX Company - Box Cars | 4 |
TR
| Tomahawk Railway L.P. | 2 |
UCRY
| Utah Central | 7 |
UP
| Union Pacific Railroad Company | 13 |
WC
| Wisconsin Central | 44 |