ABOX
| TTX Company | 37 |
AGR
| Alabama and Gulf Coast | 10 |
AKMD
| Arkansas Midland Railroad Company | 1 |
ALAB
| Alabama Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 11 |
ALY
| Allegheny and Eastern Railroad Incorpora | 2 |
AM
| Arkansas & Missouri | 1 |
AMTK
| Amtrak | 1 |
AOK
| Arkansas-Oklahoma Railroad | 35 |
ASAB
| Bay Line Railroad LLC | 6 |
ATSF
| Atchison Topeka & Santa Fe | 8 |
ATW
| Atlantic and Western | 23 |
BAEX
| Andersons | 10 |
BAR
| Bangor & Aroostook | 1 |
BCOL
| Canadian National Railways | 20 |
BDRV
| Belvidere & Delaware Railroad | 3 |
BKTY
| Union Pacific Railroad Company | 25 |
BM
| Boston & Maine | 5 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 68 |
BO
| Baltimore & Ohio | 3 |
BPRR
| Buffalo and Pittsburgh | 2 |
BRW
| Black River And Western | 13 |
CANX
| CANAC International | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CGR
| CG Railway, Inc | 1 |
CHTT
| Chicago Heights Terminal Transfer | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CIC
| Cedar Rapids & Iowa City | 1 |
CIRR
| Chattahoochee Industrial Railroad | 20 |
CKIX
| C.K. Industries | 11 |
CMHX
| CarMath Incorporated | 16 |
CN
| Canadian National Railways | 62 |
CNA
| Canadian National Railways | 41 |
CNIS
| Canadian National Railways | 7 |
CNJ
| Central Rail Road of New Jersey | 2 |
CNW
| Chicago & Northwestern | 22 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 10 |
CP
| Canadian Pacific Railway | 44 |
CPAA
| Canadian Pacific Railway | 2 |
CR
| Conrail | 6 |
CRLE
| Coe Rail Incorporated | 9 |
CSX
| CSX Railroad | 235 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
CV
| Central Vermont | 2 |
CVC
| Canadian National Railways | 7 |
DH
| Delaware & Hudson | 3 |
DME
| Dakota, Minnesota and Eastern | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 2 |
DWC
| Canadian National Railways | 20 |
EBT
| East Broad Top | 3 |
EEC
| East Erie Commercial Railroad | 136 |
FBOX
| TTX Company | 49 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 2 |
FGLK
| Finger Lakes Railway | 17 |
FLOX
| CIT Group/Capital Finance, Inc | 1 |
FSRR
| FerroSur | 5 |
FXE
| Ferromex | 18 |
GACX
| General American Marks Company | 1 |
GFRR
| Georgia and Florida Railnet | 7 |
GMRC
| Green Mountain RR | 28 |
GMSR
| Kansas City Southern | 1 |
GNRR
| Georgia Northeastern | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 6 |
GTRA
| Golden Triangle Railroad | 2 |
GTW
| Grand Trunk Western | 13 |
GVSR
| Galveston Railroad L.P. | 5 |
HESR
| Huron and Eastern | 2 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 69 |
IANR
| Iowa Northern Ry | 12 |
IATR
| Iowa Traction Railroad Company | 3 |
IBT
| International Bridge and Terminal Company | 12 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 2 |
KCS
| Kansas City Southern | 41 |
KCSM
| Kansas City Southern De Mexico | 1 |
KELX
| Kellogg Company | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 10 |
LRS
| Laurinburg and Southern | 7 |
LV
| Lehigh Valley | 3 |
LVRC
| Lamoille Valley | 2 |
LW
| Louisville and Wadley Railway Company | 18 |
MB
| Meridian & Bigbee | 5 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 14 |
MDW
| Minnesota Dakota and Western Railway Com | 10 |
MEC
| Maine Central | 31 |
MILW
| Milwaukee Road | 1 |
MMA
| Montreal, Maine & Atlantic | 18 |
MP
| Missouri Pacific | 46 |
MPA
| Maryland and Pennsylvania Railroad | 3 |
MQT
| Marquette Rail | 1 |
MSDR
| Knoxville & Holston River Railroad | 7 |
MSRC
| Kansas City Southern | 1 |
MWCX
| Midwest Railcar Corporation | 8 |
NADX
| General Electric Rail Services | 1 |
NECR
| New England Central | 1 |
NERR
| Nashville and Eastern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NOKL
| Northwestern Oklahoma | 22 |
NOPB
| New Orleans Public Belt Railroad | 1 |
NS
| Norfolk Southern | 271 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 3 |
OAR
| Old Augusta Railroad | 1 |
ONT
| Ontario Northland Railway | 10 |
PDRR
| Pee Dee River RR | 1 |
PM
| Pere Marquette | 1 |
POHC
| Pittsburgh & Ohio Central | 1 |
PRR
| Pennsylvania Railroad | 13 |
RBOX
| Railbox Company | 109 |
RUT
| Vermont Railway Incorporated | 2 |
SGLR
| Seminole Gulf | 3 |
SHRC
| SHRC | 2 |
SIRX
| Southern Illinois Railcar Company | 8 |
SLC
| San Luis Central Railroad Company | 3 |
SLGG
| Progress Rail Services Corporation | 1 |
SLR
| St Lawrence & Atlantic | 6 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 196 |
SP
| Southern Pacific | 76 |
SRN
| Sabine River & Northern | 2 |
SRY
| Southern Railway of British Columbia Lim | 3 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 34 |
TASD
| Terminal Alabama State Docks | 2 |
TBOX
| TTX Company | 131 |
TCAX
| General Electric Rail Services | 1 |
TFM
| Kansas City Southern De Mexico | 3 |
TOBX
| TTX Company - Box Cars | 4 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 4 |
TR
| Tomahawk Railway L.P. | 35 |
UCRY
| Utah Central | 3 |
UELX
| ADM Transportation Company | 1 |
UP
| Union Pacific Railroad Company | 26 |
VR
| Valdosta Railway | 2 |
WC
| Wisconsin Central | 33 |
WCCL
| Wisconsin Central | 3 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WGCR
| Wiregrass Central Railroad. Incorporated | 4 |
WLO
| Waterloo Railway Company (Illinois Central) | 7 |
WP
| Western Pacific | 2 |
WRWK
| Providence & Worchester Railroad | 11 |
YARR
| Youngstown and Austintown Railroad | 3 |
YKR
| York Rail | 6 |