ABOX
| TTX Company | 56 |
ADN
| Ashley Drew & Northern | 2 |
AGR
| Alabama and Gulf Coast | 3 |
ALM
| Arkansas Louisiana and Mississippi Railr | 4 |
ANR
| Angelina and Neches River Railroad | 2 |
AOK
| Arkansas-Oklahoma Railroad | 94 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 73 |
BAEX
| Andersons | 1 |
BCLR
| Bay Colony | 2 |
BKTY
| Union Pacific Railroad Company | 576 |
BNSF
| BNSF Railway | 90 |
CAGY
| Columbus & Greenville Railway | 1 |
CAIX
| CAI Rail Inc. | 8 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CEMX
| Cemex Mexico SA de CV | 7 |
CHTT
| Chicago Heights Terminal Transfer | 7 |
CIBX
| CIT Group/Capital Finance, Inc | 58 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CKIX
| C.K. Industries | 1 |
CLSX
| Cargill Incorporated Salt Division | 1 |
CMHX
| CarMath Incorporated | 40 |
CN
| Canadian National Railways | 13 |
CNA
| Canadian National Railways | 20 |
CNIS
| Canadian National Railways | 10 |
CNW
| Chicago & Northwestern | 18 |
COER
| Crab Orchard & Egyptian | 57 |
CP
| Canadian Pacific Railway | 47 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 9 |
CSX
| CSX Railroad | 81 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
DWC
| Canadian National Railways | 22 |
EEC
| East Erie Commercial Railroad | 11 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
FBOX
| TTX Company | 163 |
FCRD
| First Coast Railway | 3 |
FLOX
| CIT Group/Capital Finance, Inc | 24 |
FSR
| Fort Smith Railroad Company | 1 |
FSRR
| FerroSur | 13 |
FURX
| First Union Rail | 4 |
FXE
| Ferromex | 18 |
GACX
| General American Marks Company | 3 |
GMRC
| Green Mountain RR | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GRRY
| GRRY | 5 |
GTW
| Grand Trunk Western | 11 |
HCRY
| Huron Central Railway | 3 |
HKRX
| HKRX | 4 |
HS
| H and S Railroad Company | 47 |
IANR
| Iowa Northern Ry | 1 |
IARX
| InStar Leasing | 6 |
IATR
| Iowa Traction Railroad Company | 6 |
IBT
| International Bridge and Terminal Company | 385 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 2 |
IFRX
| Infinity Rail LLC | 4 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
KCS
| Kansas City Southern | 320 |
KCSM
| Kansas City Southern De Mexico | 38 |
KLRX
| KOCH RAIL LLC | 1 |
KRR
| Kiamichi | 3 |
LINX
| LINX | 1 |
LRS
| Laurinburg and Southern | 122 |
LRWN
| Little Rock & Western | 4 |
LW
| Louisville and Wadley Railway Company | 14 |
MB
| Meridian & Bigbee | 3 |
MBKX
| Mitsui Rail Capital | 1 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 44 |
MEC
| Maine Central | 2 |
MNA
| Missouri and Northern Arkansas | 4 |
MP
| Missouri Pacific | 23 |
MQT
| Marquette Rail | 1 |
MRL
| Montana Rail Link | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 25 |
MWCX
| Midwest Railcar Corporation | 16 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 60 |
NOKL
| Northwestern Oklahoma | 54 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 59 |
NYC
| New York Central | 11 |
OAR
| Old Augusta Railroad | 1 |
PMRX
| Progress Metal Reclamation Company | 18 |
RBOX
| Railbox Company | 411 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 2 |
SCFX
| SCFX | 9 |
SGLR
| Seminole Gulf | 2 |
SIRX
| Southern Illinois Railcar Company | 1 |
SLC
| San Luis Central Railroad Company | 1 |
SMW
| St Marys Railway West LLC | 8 |
SNC
| Saratoga & North Creek Railway | 1 |
SOU
| Southern | 19 |
SP
| Southern Pacific | 57 |
SRN
| Sabine River & Northern | 16 |
SRY
| Southern Railway of British Columbia Lim | 4 |
SSW
| St Louis Southwestern (Cotton Belt) | 10 |
TBOX
| TTX Company | 1291 |
TCWR
| Twin Cities and Western | 1 |
TFM
| Kansas City Southern De Mexico | 14 |
TILX
| Trinity Industries Leasing Company | 1 |
TIMX
| Trinity Industries Leasing Company | 1 |
TOBX
| TTX Company - Box Cars | 26 |
TOE
| Texas Oklahoma and Eastern RR Company | 13 |
TOFX
| TTX Company - Box Cars | 14 |
TR
| Tomahawk Railway L.P. | 20 |
TSE
| Texas South-Eastern Railroad Company | 5 |
UCRY
| Utah Central | 27 |
UP
| Union Pacific Railroad Company | 58 |
WC
| Wisconsin Central | 36 |
WFRX
| WELLS FARGO RAIL CORPORATION | 8 |
WP
| Western Pacific | 7 |
WRWK
| Providence & Worchester Railroad | 38 |
WTRM
| Warren and Trumbull Railroad Company | 1 |