ATW
| Atlantic and Western | 16 |
BAYL
| Bay Line, LLC | 9 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 5 |
CN
| Canadian National Railways | 12 |
COER
| Crab Orchard & Egyptian | 3 |
CP
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 4 |
FBOX
| TTX Company | 61 |
GACX
| General American Marks Company | 2 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 10 |
HS
| H and S Railroad Company | 8 |
IBT
| International Bridge and Terminal Company | 18 |
KCS
| Kansas City Southern | 12 |
LRS
| Laurinburg and Southern | 14 |
LW
| Louisville and Wadley Railway Company | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MMA
| Montreal, Maine & Atlantic | 3 |
MP
| Missouri Pacific | 2 |
MQT
| Marquette Rail | 1 |
MRL
| Montana Rail Link | 4 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
NERR
| Nashville and Eastern | 4 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 19 |
NWR
| Nashville & Western Railroad Corp. | 4 |
QC
| Quebec Central | 19 |
SLR
| St Lawrence & Atlantic | 10 |
SP
| Southern Pacific | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 11 |
TOFX
| TTX Company - Box Cars | 10 |
TR
| Tomahawk Railway L.P. | 14 |
UP
| Union Pacific Railroad Company | 4 |
WC
| Wisconsin Central | 5 |
WRWK
| Providence & Worchester Railroad | 7 |