AOK
| Arkansas-Oklahoma Railroad | 11 |
ATW
| Atlantic and Western | 15 |
BAEX
| Andersons | 1 |
BKTY
| Union Pacific Railroad Company | 3 |
BNSF
| BNSF Railway | 58 |
CN
| Canadian National Railways | 52 |
CNA
| Canadian National Railways | 5 |
COER
| Crab Orchard & Egyptian | 6 |
CRLE
| Coe Rail Incorporated | 5 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 281 |
GACX
| General American Marks Company | 38 |
GTW
| Grand Trunk Western | 100 |
IBT
| International Bridge and Terminal Company | 127 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 11 |
MBKX
| Mitsui Rail Capital | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 16 |
MRL
| Montana Rail Link | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 11 |
TBOX
| TTX Company | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 22 |
TOFX
| TTX Company - Box Cars | 13 |
TR
| Tomahawk Railway L.P. | 22 |
WC
| Wisconsin Central | 28 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |
WRWK
| Providence & Worchester Railroad | 3 |