ABOX
| TTX Company | 44 |
ADN
| Ashley Drew & Northern | 4 |
AGLF
| Knoxville & Holston River Railroad | 2 |
AGR
| Alabama and Gulf Coast | 115 |
ALM
| Arkansas Louisiana and Mississippi Railr | 11 |
AM
| Arkansas & Missouri | 7 |
AMTK
| Amtrak | 3 |
AN
| Apalachicola Northern | 2 |
AOK
| Arkansas-Oklahoma Railroad | 31 |
ATSF
| Atchison Topeka & Santa Fe | 4 |
ATW
| Atlantic and Western | 46 |
BAEX
| Andersons | 7 |
BAR
| Bangor & Aroostook | 1 |
BAYL
| Bay Line, LLC | 2 |
BCOL
| Canadian National Railways | 4 |
BDRV
| Belvidere & Delaware Railroad | 1 |
BKTY
| Union Pacific Railroad Company | 224 |
BM
| Boston & Maine | 7 |
BN
| Burlington Northern | 15 |
BNSF
| BNSF Railway | 66 |
BO
| Baltimore & Ohio | 5 |
BPRR
| Buffalo and Pittsburgh | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 2 |
CFWR
| Caney Fork and Western Railroad | 1 |
CHTT
| Chicago Heights Terminal Transfer | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 8 |
CIC
| Cedar Rapids & Iowa City | 5 |
CIRR
| Chattahoochee Industrial Railroad | 78 |
CKIX
| C.K. Industries | 3 |
CLC
| Columbia and Cowlitz Railway Company | 1 |
CMHX
| CarMath Incorporated | 14 |
CN
| Canadian National Railways | 38 |
CNA
| Canadian National Railways | 58 |
CNIS
| Canadian National Railways | 13 |
CNW
| Chicago & Northwestern | 20 |
CO
| Chesapeake & Ohio | 6 |
COER
| Crab Orchard & Egyptian | 34 |
CP
| Canadian Pacific Railway | 20 |
CPAA
| Canadian Pacific Railway | 6 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 961 |
CTN
| Canton Railroad Company | 1 |
CUOH
| Columbus and Ohio River Railroad Company | 12 |
CV
| Central Vermont | 1 |
CWP
| Chicago West Pullman & Southern | 1 |
DME
| Dakota, Minnesota and Eastern | 3 |
DMM
| Dansville and Mount Morris Railroad Comp | 2 |
DODX
| Department Of Defense | 4 |
DRGW
| Denver & Rio Grande Western | 1 |
DTI
| Detroit Toledo & Ironton | 1 |
DUPX
| Du Pont De Nemours and Company Incorporated | 3 |
DWC
| Canadian National Railways | 18 |
EEC
| East Erie Commercial Railroad | 188 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
FBOX
| TTX Company | 8 |
FCRD
| First Coast Railway | 24 |
FGLK
| Finger Lakes Railway | 6 |
FLOX
| CIT Group/Capital Finance, Inc | 9 |
FRR
| Falls Road Railroad Company Incorporated | 3 |
FSRR
| FerroSur | 5 |
FXE
| Ferromex | 38 |
GACX
| General American Marks Company | 14 |
GFRR
| Georgia and Florida Railnet | 14 |
GMRC
| Green Mountain RR | 37 |
GN
| Great Northern | 1 |
GNRR
| Georgia Northeastern | 7 |
GNWR
| Genesee and Wyoming Railroad Company | 25 |
GTRA
| Golden Triangle Railroad | 14 |
GTW
| Grand Trunk Western | 11 |
GVSR
| Galveston Railroad L.P. | 2 |
HATX
| Helm Financial Corporation | 1 |
HCRY
| Huron Central Railway | 9 |
HESR
| Huron and Eastern | 1 |
HLMX
| Helm Financial Corporation | 4 |
HS
| H and S Railroad Company | 78 |
IANR
| Iowa Northern Ry | 21 |
IATR
| Iowa Traction Railroad Company | 16 |
IBT
| International Bridge and Terminal Company | 3 |
IC
| Illinois Central | 2 |
ICG
| Illinois Central Gulf | 4 |
IMRL
| I&M Rail Link | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
ITLX
| General Electric Rail Services | 1 |
JEFW
| Jefferson Warrior Railroad Company | 1 |
KCS
| Kansas City Southern | 55 |
KLRX
| KOCH RAIL LLC | 2 |
KRR
| Kiamichi | 1 |
KWT
| KWT Railway | 2 |
KYRX
| Progress Rail Services Corporation | 2 |
LBR
| Lowville and Beaver River Railroad Compa | 3 |
LPN
| Longview, Portland & Northern | 1 |
LRS
| Laurinburg and Southern | 137 |
LRWN
| Little Rock & Western | 1 |
LW
| Louisville and Wadley Railway Company | 11 |
MB
| Meridian & Bigbee | 8 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 15 |
MEC
| Maine Central | 13 |
MJ
| Manufacturers'' Junction Railway Company | 1 |
MMA
| Montreal, Maine & Atlantic | 2 |
MP
| Missouri Pacific | 14 |
MQT
| Marquette Rail | 12 |
MR
| McCloud Railway Company | 1 |
MRL
| Montana Rail Link | 2 |
MSDR
| Knoxville & Holston River Railroad | 4 |
MSE
| Mississippi Export Railroad Company | 1 |
MSIX
| Morton International Incorporated | 1 |
MWCX
| Midwest Railcar Corporation | 24 |
NADX
| General Electric Rail Services | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 6 |
NOKL
| Northwestern Oklahoma | 55 |
NP
| Northern Pacific | 2 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 346 |
NW
| Norfolk & Western | 21 |
NWR
| Nashville & Western Railroad Corp. | 1 |
NYC
| New York Central | 5 |
OAR
| Old Augusta Railroad | 6 |
ONT
| Ontario Northland Railway | 1 |
OTDX
| Greenbrier Leasing Corporation | 2 |
PAL
| Paducah & Louisville | 3 |
PDRR
| Pee Dee River RR | 7 |
PGR
| Progressive Rail, Inc | 1 |
PMRX
| Progress Metal Reclamation Company | 6 |
PPU
| Tazewell & Peoria Railroad | 1 |
PRR
| Pennsylvania Railroad | 2 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
RBOX
| Railbox Company | 97 |
RMMX
| Andersons - Railgroup | 2 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 1 |
SGLR
| Seminole Gulf | 4 |
SIND
| Southern Indiana Railway Incorporated | 1 |
SIRX
| Southern Illinois Railcar Company | 10 |
SKRX
| Schuylkill Railcar L.P. | 2 |
SLC
| San Luis Central Railroad Company | 1 |
SLGG
| Progress Rail Services Corporation | 1 |
SLR
| St Lawrence & Atlantic | 1 |
SMW
| St Marys Railway West LLC | 19 |
SNC
| Saratoga & North Creek Railway | 17 |
SOO
| Soo Line | 3 |
SOU
| Southern | 246 |
SP
| Southern Pacific | 39 |
SRN
| Sabine River & Northern | 6 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 17 |
STE
| Stockton Terminal and Eastern RR | 1 |
TBOX
| TTX Company | 89 |
TFM
| Kansas City Southern De Mexico | 2 |
TIMX
| Trinity Industries Leasing Company | 4 |
TNMR
| Texas and New Mexico | 1 |
TOBX
| TTX Company - Box Cars | 17 |
TOE
| Texas Oklahoma and Eastern RR Company | 14 |
TOFX
| TTX Company - Box Cars | 32 |
TR
| Tomahawk Railway L.P. | 40 |
TSRD
| Twin State Railroad Company | 2 |
UMP
| Upper Merion and Plymouth Railroad | 1 |
UP
| Union Pacific Railroad Company | 21 |
VCY
| Galveston Railroad, L.P. | 2 |
WC
| Wisconsin Central | 24 |
WCOR
| Wellsboro and Corning Railroad Company | 4 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 6 |
WRWK
| Providence & Worchester Railroad | 110 |
WSOR
| Wisconsin & Southern | 2 |
WTRM
| Warren and Trumbull Railroad Company | 4 |
YARR
| Youngstown and Austintown Railroad | 2 |
YKR
| York Rail | 4 |
YVRR
| Yadkin Valley | 2 |