ALY
| Allegheny and Eastern Railroad Incorpora | 4 |
AOK
| Arkansas-Oklahoma Railroad | 13 |
ATW
| Atlantic and Western | 6 |
BNSF
| BNSF Railway | 151 |
COER
| Crab Orchard & Egyptian | 14 |
CP
| Canadian Pacific Railway | 92 |
CRLE
| Coe Rail Incorporated | 7 |
DWC
| Canadian National Railways | 46 |
HS
| H and S Railroad Company | 2 |
IATR
| Iowa Traction Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 1 |
KCS
| Kansas City Southern | 97 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 19 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MP
| Missouri Pacific | 1 |
MRL
| Montana Rail Link | 6 |
MTNR
| Mississippi Tennessee Railroad LLC | 3 |
NADX
| General Electric Rail Services | 3 |
NOKL
| Northwestern Oklahoma | 8 |
NRLX
| CIT Group/Capital Finance, Inc | 8 |
NS
| Norfolk Southern | 407 |
TBOX
| TTX Company | 804 |
TFM
| Kansas City Southern De Mexico | 5 |
TOBX
| TTX Company - Box Cars | 3 |
TR
| Tomahawk Railway L.P. | 38 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 9 |