ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 55 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CEMX
| Cemex Mexico SA de CV | 1 |
CLC
| Columbia and Cowlitz Railway Company | 2 |
CRLE
| Coe Rail Incorporated | 1 |
FBOX
| TTX Company | 12 |
GTW
| Grand Trunk Western | 1 |
IBT
| International Bridge and Terminal Company | 9 |
IC
| Illinois Central | 4 |
IFRX
| Infinity Rail LLC | 1 |
KCS
| Kansas City Southern | 4 |
LRS
| Laurinburg and Southern | 2 |
MNNR
| Minnesota Commercial | 1 |
MRL
| Montana Rail Link | 1 |
NOKL
| Northwestern Oklahoma | 29 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
SLR
| St Lawrence & Atlantic | 3 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 3 |
SRN
| Sabine River & Northern | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 21 |
TR
| Tomahawk Railway L.P. | 17 |
UP
| Union Pacific Railroad Company | 2 |
WRWK
| Providence & Worchester Railroad | 1 |