ABOX
| TTX Company | 85 |
ACWR
| Aberdeen, Carolina & Western | 1 |
ANR
| Angelina and Neches River Railroad | 21 |
AOK
| Arkansas-Oklahoma Railroad | 16 |
ATSF
| Atchison Topeka & Santa Fe | 8 |
ATW
| Atlantic and Western | 120 |
BKTY
| Union Pacific Railroad Company | 261 |
BNSF
| BNSF Railway | 262 |
CEMX
| Cemex Mexico SA de CV | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 5 |
CNW
| Chicago & Northwestern | 8 |
COER
| Crab Orchard & Egyptian | 12 |
CP
| Canadian Pacific Railway | 28 |
CSX
| CSX Railroad | 11 |
DOTX
| USDOT/Federal Railroad Administration | 12 |
DRGW
| Denver & Rio Grande Western | 8 |
DWC
| Canadian National Railways | 2 |
EEC
| East Erie Commercial Railroad | 15 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
FBOX
| TTX Company | 16 |
FLOX
| CIT Group/Capital Finance, Inc | 1 |
FSRR
| FerroSur | 12 |
FXE
| Ferromex | 25 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
GTW
| Grand Trunk Western | 3 |
HLMX
| Helm Financial Corporation | 2 |
HS
| H and S Railroad Company | 39 |
IANR
| Iowa Northern Ry | 16 |
IBT
| International Bridge and Terminal Company | 103 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 33 |
KYLE
| Kyle Railroad | 31 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 34 |
LW
| Louisville and Wadley Railway Company | 4 |
MDW
| Minnesota Dakota and Western Railway Com | 232 |
MP
| Missouri Pacific | 10 |
MQT
| Marquette Rail | 5 |
MRL
| Montana Rail Link | 16 |
MTNR
| Mississippi Tennessee Railroad LLC | 5 |
NOKL
| Northwestern Oklahoma | 21 |
NS
| Norfolk Southern | 40 |
RBOX
| Railbox Company | 975 |
SMW
| St Marys Railway West LLC | 4 |
SNC
| Saratoga & North Creek Railway | 1 |
SOU
| Southern | 16 |
SP
| Southern Pacific | 18 |
SRN
| Sabine River & Northern | 25 |
SRY
| Southern Railway of British Columbia Lim | 12 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
TBOX
| TTX Company | 137 |
TFM
| Kansas City Southern De Mexico | 1 |
TIMX
| Trinity Industries Leasing Company | 4 |
TOBX
| TTX Company - Box Cars | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TOFX
| TTX Company - Box Cars | 2 |
TR
| Tomahawk Railway L.P. | 26 |
UP
| Union Pacific Railroad Company | 8 |
WC
| Wisconsin Central | 9 |
WP
| Western Pacific | 6 |
WRWK
| Providence & Worchester Railroad | 162 |