ABOX
| TTX Company | 2 |
AGR
| Alabama and Gulf Coast | 2 |
AOK
| Arkansas-Oklahoma Railroad | 92 |
ATV
| ATV | 1 |
ATW
| Atlantic and Western | 79 |
BKTY
| Union Pacific Railroad Company | 54 |
BNSF
| BNSF Railway | 25 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CMHX
| CarMath Incorporated | 2 |
CNA
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 5 |
COER
| Crab Orchard & Egyptian | 27 |
CP
| Canadian Pacific Railway | 24 |
CPAA
| Canadian Pacific Railway | 1 |
CRLE
| Coe Rail Incorporated | 25 |
DANX
| ADM Transportation Company | 7 |
DWC
| Canadian National Railways | 8 |
EEC
| East Erie Commercial Railroad | 3 |
FBOX
| TTX Company | 34 |
FLOX
| CIT Group/Capital Finance, Inc | 2 |
FSRR
| FerroSur | 2 |
GACX
| General American Marks Company | 1 |
HDTX
| Huish Detergents, Inc | 1 |
HLMX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 1 |
IBT
| International Bridge and Terminal Company | 8 |
KCCS
| Kansas City Clinton & Springfield | 1 |
KCS
| Kansas City Southern | 11 |
KCSM
| Kansas City Southern De Mexico | 1 |
LRRS
| LRRS | 1 |
LRS
| Laurinburg and Southern | 88 |
LRWN
| Little Rock & Western | 1 |
LW
| Louisville and Wadley Railway Company | 7 |
MDW
| Minnesota Dakota and Western Railway Com | 6 |
MKT
| Missouri-Kansas-Texas | 28 |
MNA
| Missouri and Northern Arkansas | 12 |
MP
| Missouri Pacific | 10 |
MRNR
| MRNR | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 158 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 59 |
NOKL
| Northwestern Oklahoma | 9 |
NS
| Norfolk Southern | 3 |
RBOX
| Railbox Company | 20 |
SCFX
| SCFX | 1 |
SLSF
| Saint Louis-San Francisco | 7 |
SMW
| St Marys Railway West LLC | 4 |
SOU
| Southern | 4 |
SOXX
| SMBC RAIL SERVICES LLC | 2 |
SP
| Southern Pacific | 7 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TBOX
| TTX Company | 38 |
TILX
| Trinity Industries Leasing Company | 1 |
TOBX
| TTX Company - Box Cars | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 82 |
TOFX
| TTX Company - Box Cars | 6 |
TP
| Texas & Pacific | 1 |
TR
| Tomahawk Railway L.P. | 30 |
TRLE
| TRLE | 3 |
UCRY
| Utah Central | 2 |
UP
| Union Pacific Railroad Company | 6 |
WP
| Western Pacific | 1 |
WRWK
| Providence & Worchester Railroad | 8 |