ABOX
| TTX Company | 27 |
AGR
| Alabama and Gulf Coast | 78 |
AKM
| American Kraft Mills | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 10 |
ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
AM
| Arkansas & Missouri | 2 |
AN
| Apalachicola Northern | 1 |
ANR
| Angelina and Neches River Railroad | 7 |
AOK
| Arkansas-Oklahoma Railroad | 18 |
AR
| Aberdeen and Rockfish | 1 |
ARR
| Alaska Railroad | 16 |
ATSF
| Atchison Topeka & Santa Fe | 19 |
ATW
| Atlantic and Western | 79 |
AZER
| Arizona Eastern Railway Company | 1 |
BAEX
| Andersons | 2 |
BAYL
| Bay Line, LLC | 29 |
BB
| Buckingham Branch | 1 |
BCLR
| Bay Colony | 2 |
BCOL
| Canadian National Railways | 14 |
BHR
| BHR | 3 |
BKTY
| Union Pacific Railroad Company | 366 |
BLHX
| SMBC RAIL SERVICES LLC | 4 |
BM
| Boston & Maine | 11 |
BN
| Burlington Northern | 7 |
BNSF
| BNSF Railway | 19 |
BOOT
| BOOT | 1 |
BR
| Buffalo and Pittsburgh | 2 |
BSR
| BSR | 2 |
CACX
| Cooperstown & Charlotte Valley Railroad | 1 |
CAGY
| Columbus & Greenville Railway | 34 |
CAIX
| CAI Rail Inc. | 2 |
CBQ
| Chicago Burlington & Quincy | 1 |
CFWR
| Caney Fork and Western Railroad | 24 |
CHMX
| Southern Illinois Railcar Incorporated | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CIBX
| CIT Group/Capital Finance, Inc | 18 |
CIC
| Cedar Rapids & Iowa City | 11 |
CIRR
| Chattahoochee Industrial Railroad | 9 |
CLSX
| Cargill Incorporated Salt Division | 3 |
CMHX
| CarMath Incorporated | 8 |
CMNW
| Chicago Missouri & Western | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 5 |
CN
| Canadian National Railways | 46 |
CNA
| Canadian National Railways | 18 |
CNIS
| Canadian National Railways | 16 |
CNW
| Chicago & Northwestern | 28 |
COER
| Crab Orchard & Egyptian | 67 |
CP
| Canadian Pacific Railway | 101 |
CPAA
| Canadian Pacific Railway | 21 |
CPWX
| Canadian Wheat Board | 2 |
CR
| Conrail | 12 |
CRLE
| Coe Rail Incorporated | 9 |
CRYX
| Cryo-Trans Incorporated | 2 |
CS
| Colorado & Southern | 1 |
CSX
| CSX Railroad | 308 |
CV
| Central Vermont | 2 |
DGRW
| DGRW | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 6 |
DODX
| Department Of Defense | 2 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRGW
| Denver & Rio Grande Western | 25 |
DWC
| Canadian National Railways | 25 |
EEC
| East Erie Commercial Railroad | 13 |
ELS
| Escanaba and Lake Superior Railroad Comp | 3 |
FBOX
| TTX Company | 107 |
FCC
| Flagg Coal Co. | 2 |
FCRD
| First Coast Railway | 11 |
FGLK
| Finger Lakes Railway | 3 |
FLOX
| CIT Group/Capital Finance, Inc | 4 |
FSRR
| FerroSur | 14 |
FXE
| Ferromex | 28 |
GACX
| General American Marks Company | 25 |
GFRR
| Georgia and Florida Railnet | 5 |
GMRC
| Green Mountain RR | 15 |
GNRR
| Georgia Northeastern | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 3 |
GPWX
| Georgia-Pacific Corp | 1 |
GTRA
| Golden Triangle Railroad | 8 |
GTW
| Grand Trunk Western | 37 |
GWRC
| Georgia Woodlands | 1 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 1 |
HCRY
| Huron Central Railway | 3 |
HESR
| Huron and Eastern | 1 |
HKRX
| HKRX | 2 |
HLMX
| Helm Financial Corporation | 2 |
HPJX
| Helm-Pacific Leasing | 4 |
HRRC
| Housatonic Railroad Company | 1 |
HS
| H and S Railroad Company | 35 |
IANR
| Iowa Northern Ry | 4 |
IARX
| IARX | 3 |
IATR
| Iowa Traction Railroad Company | 9 |
IBT
| International Bridge and Terminal Company | 64 |
IC
| Illinois Central | 11 |
ICG
| Illinois Central Gulf | 2 |
INAR
| INAR | 2 |
ITFX
| INFINITY TRANSPORTATION III LLC | 21 |
KCS
| Kansas City Southern | 106 |
KLRX
| KOCH RAIL LLC | 5 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LRS
| Laurinburg and Southern | 171 |
LRWN
| Little Rock & Western | 1 |
LW
| Louisville and Wadley Railway Company | 35 |
MB
| Meridian & Bigbee | 17 |
MBKX
| Mitsui Rail Capital | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 12 |
MEC
| Maine Central | 37 |
MILW
| Milwaukee Road | 1 |
MISX
| Milwaukee Solvents and Chemicals Corporation | 2 |
MKT
| Missouri-Kansas-Texas | 2 |
MMA
| Montreal, Maine & Atlantic | 3 |
MNA
| Missouri and Northern Arkansas | 3 |
MP
| Missouri Pacific | 48 |
MQT
| Marquette Rail | 6 |
MR
| McCloud Railway Company | 1 |
MRL
| Montana Rail Link | 12 |
MS
| Michigan Shore Railroad Incorporated | 2 |
MSDR
| Knoxville & Holston River Railroad | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 9 |
MWCX
| Midwest Railcar Corporation | 77 |
MWT
| MWT | 1 |
NADX
| General Electric Rail Services | 2 |
NDYX
| First Union Rail | 1 |
NERR
| Nashville and Eastern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 33 |
NOKL
| Northwestern Oklahoma | 23 |
NP
| Northern Pacific | 6 |
NRI
| Nebkota Railway Incorporated | 2 |
NRLX
| CIT Group/Capital Finance, Inc | 5 |
NS
| Norfolk Southern | 57 |
NW
| Norfolk & Western | 3 |
NWR
| Nashville & Western Railroad Corp. | 1 |
NYC
| New York Central | 9 |
OAR
| Old Augusta Railroad | 4 |
OC
| OC | 2 |
ONT
| Ontario Northland Railway | 3 |
PACX
| Plasser American Corporation | 1 |
PAL
| Paducah & Louisville | 1 |
PC
| Penn Central | 1 |
PDRR
| Pee Dee River RR | 1 |
PLM
| PLM | 1 |
PMRX
| Progress Metal Reclamation Company | 2 |
PRR
| Pennsylvania Railroad | 2 |
PSMX
| Esco Corporation | 2 |
QC
| Quebec Central | 27 |
RBOX
| Railbox Company | 256 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 5 |
RUT
| Vermont Railway Incorporated | 2 |
SAL
| Seaboard Air Line | 1 |
SBD
| Seaboard System | 1 |
SBR
| SBR | 1 |
SCFX
| SCFX | 3 |
SCL
| Seaboard Coast Line | 1 |
SGLR
| Seminole Gulf | 13 |
SLR
| St Lawrence & Atlantic | 8 |
SLSF
| Saint Louis-San Francisco | 2 |
SMW
| St Marys Railway West LLC | 24 |
SNC
| Saratoga & North Creek Railway | 11 |
SOU
| Southern | 217 |
SOXX
| SMBC RAIL SERVICES LLC | 3 |
SP
| Southern Pacific | 208 |
SRN
| Sabine River & Northern | 23 |
SRRL
| SRRL | 1 |
SRY
| Southern Railway of British Columbia Lim | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 54 |
SVTX
| Seaview Transportation | 1 |
TBOX
| TTX Company | 557 |
TCRX
| Tennessee Central Railway Musem | 1 |
TFM
| Kansas City Southern De Mexico | 2 |
TILX
| Trinity Industries Leasing Company | 19 |
TIMX
| Trinity Industries Leasing Company | 4 |
TOBX
| TTX Company - Box Cars | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 13 |
TOFX
| TTX Company - Box Cars | 7 |
TOX
| TOX | 1 |
TR
| Tomahawk Railway L.P. | 21 |
UCRY
| Utah Central | 13 |
UELX
| ADM Transportation Company | 2 |
UP
| Union Pacific Railroad Company | 72 |
USAX
| United States Army | 12 |
VTR
| Vermont Railway | 2 |
WC
| Wisconsin Central | 113 |
WFRX
| WELLS FARGO RAIL CORPORATION | 9 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WM
| Western Maryland | 1 |
WP
| Western Pacific | 24 |
WRWK
| Providence & Worchester Railroad | 81 |
WSOR
| Wisconsin & Southern | 16 |
YKR
| York Rail | 9 |
YRK
| YRK | 1 |