ABOX
| TTX Company | 21 |
AGR
| Alabama and Gulf Coast | 2 |
ALLN
| Allentown and Auburn Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 8 |
AMTK
| Amtrak | 2 |
AOK
| Arkansas-Oklahoma Railroad | 12 |
ATW
| Atlantic and Western | 15 |
BAEX
| Andersons | 16 |
BAYL
| Bay Line, LLC | 1 |
BCLR
| Bay Colony | 1 |
BCOL
| Canadian National Railways | 4 |
BDRV
| Belvidere & Delaware Railroad | 1 |
BKTY
| Union Pacific Railroad Company | 34 |
BM
| Boston & Maine | 6 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 10 |
BRW
| Black River And Western | 1 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CKIX
| C.K. Industries | 18 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CN
| Canadian National Railways | 15 |
CNA
| Canadian National Railways | 12 |
CNIS
| Canadian National Railways | 15 |
CNW
| Chicago & Northwestern | 2 |
COER
| Crab Orchard & Egyptian | 11 |
CP
| Canadian Pacific Railway | 8 |
CPAA
| Canadian Pacific Railway | 3 |
CR
| Conrail | 4 |
CRLE
| Coe Rail Incorporated | 4 |
CSX
| CSX Railroad | 127 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 1 |
EPRY
| East Penn Railway | 3 |
FBOX
| TTX Company | 19 |
FCRD
| First Coast Railway | 6 |
FGLK
| Finger Lakes Railway | 1 |
FSRR
| FerroSur | 1 |
GACX
| General American Marks Company | 8 |
GFRR
| Georgia and Florida Railnet | 5 |
GMRC
| Green Mountain RR | 4 |
GNRR
| Georgia Northeastern | 2 |
GTW
| Grand Trunk Western | 5 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 8 |
IANR
| Iowa Northern Ry | 1 |
IATR
| Iowa Traction Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 6 |
IC
| Illinois Central | 3 |
ICG
| Illinois Central Gulf | 2 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
KCS
| Kansas City Southern | 9 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 67 |
LW
| Louisville and Wadley Railway Company | 3 |
MB
| Meridian & Bigbee | 3 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 3 |
MEC
| Maine Central | 26 |
MP
| Missouri Pacific | 2 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MQT
| Marquette Rail | 1 |
MSDR
| Knoxville & Holston River Railroad | 2 |
MWCX
| Midwest Railcar Corporation | 16 |
NDYX
| First Union Rail | 3 |
NOKL
| Northwestern Oklahoma | 8 |
NRI
| Nebkota Railway Incorporated | 3 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 21 |
NYC
| New York Central | 5 |
NYSW
| New York Susquehanna & Western | 1 |
ONT
| Ontario Northland Railway | 1 |
PKP
| Polish Railways | 2 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RBOX
| Railbox Company | 32 |
RR
| Raritan River | 1 |
RUT
| Vermont Railway Incorporated | 1 |
SGLR
| Seminole Gulf | 12 |
SLR
| St Lawrence & Atlantic | 3 |
SMW
| St Marys Railway West LLC | 9 |
SNC
| Saratoga & North Creek Railway | 14 |
SOU
| Southern | 28 |
SP
| Southern Pacific | 15 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
TBOX
| TTX Company | 34 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 5 |
TR
| Tomahawk Railway L.P. | 4 |
UCRY
| Utah Central | 4 |
UP
| Union Pacific Railroad Company | 7 |
WC
| Wisconsin Central | 10 |
WRWK
| Providence & Worchester Railroad | 17 |
YKR
| York Rail | 1 |