ABOX
| TTX Company | 29 |
AGR
| Alabama and Gulf Coast | 6 |
ALLN
| Allentown and Auburn Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 12 |
AMTK
| Amtrak | 2 |
ANR
| Angelina and Neches River Railroad | 1 |
AOK
| Arkansas-Oklahoma Railroad | 14 |
ATW
| Atlantic and Western | 17 |
BAEX
| Andersons | 34 |
BAYL
| Bay Line, LLC | 4 |
BCLR
| Bay Colony | 3 |
BCOL
| Canadian National Railways | 4 |
BDRV
| Belvidere & Delaware Railroad | 1 |
BKTY
| Union Pacific Railroad Company | 54 |
BM
| Boston & Maine | 8 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 13 |
BO
| Baltimore & Ohio | 1 |
BRW
| Black River And Western | 2 |
CAIX
| CAI Rail Inc. | 1 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 2 |
CAR
| CAR | 1 |
CIRR
| Chattahoochee Industrial Railroad | 9 |
CKIX
| C.K. Industries | 24 |
CMHX
| CarMath Incorporated | 2 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CN
| Canadian National Railways | 24 |
CNA
| Canadian National Railways | 20 |
CNIS
| Canadian National Railways | 18 |
CNW
| Chicago & Northwestern | 5 |
COER
| Crab Orchard & Egyptian | 18 |
CP
| Canadian Pacific Railway | 21 |
CPAA
| Canadian Pacific Railway | 3 |
CR
| Conrail | 4 |
CRLE
| Coe Rail Incorporated | 5 |
CSX
| CSX Railroad | 212 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 1 |
DRGW
| Denver & Rio Grande Western | 4 |
DRRV
| DRRV | 4 |
DWC
| Canadian National Railways | 7 |
EEC
| East Erie Commercial Railroad | 1 |
EPRY
| East Penn Railway | 3 |
FBOX
| TTX Company | 27 |
FCRD
| First Coast Railway | 8 |
FGLK
| Finger Lakes Railway | 2 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 15 |
GFRR
| Georgia and Florida Railnet | 5 |
GMRC
| Green Mountain RR | 8 |
GNRR
| Georgia Northeastern | 3 |
GTW
| Grand Trunk Western | 8 |
HPJX
| Helm-Pacific Leasing | 4 |
HS
| H and S Railroad Company | 13 |
IANR
| Iowa Northern Ry | 1 |
IARX
| InStar Leasing | 1 |
IATR
| Iowa Traction Railroad Company | 3 |
IBT
| International Bridge and Terminal Company | 8 |
IC
| Illinois Central | 6 |
ICG
| Illinois Central Gulf | 2 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
KCS
| Kansas City Southern | 12 |
KLRX
| KOCH RAIL LLC | 2 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LRS
| Laurinburg and Southern | 115 |
LW
| Louisville and Wadley Railway Company | 4 |
MB
| Meridian & Bigbee | 5 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
MDW
| Minnesota Dakota and Western Railway Com | 3 |
MEC
| Maine Central | 37 |
MP
| Missouri Pacific | 5 |
MPA
| Maryland and Pennsylvania Railroad | 1 |
MQT
| Marquette Rail | 2 |
MSDR
| Knoxville & Holston River Railroad | 2 |
MWCX
| Midwest Railcar Corporation | 24 |
NDYX
| First Union Rail | 3 |
NHIR
| New Hope & Ivyland | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 13 |
NRI
| Nebkota Railway Incorporated | 4 |
NRLX
| CIT Group/Capital Finance, Inc | 3 |
NS
| Norfolk Southern | 31 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 8 |
NYSW
| New York Susquehanna & Western | 1 |
ONT
| Ontario Northland Railway | 1 |
PKP
| Polish Railways | 3 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RBOX
| Railbox Company | 39 |
RR
| Raritan River | 1 |
RUT
| Vermont Railway Incorporated | 1 |
SBD
| Seaboard System | 1 |
SCL
| Seaboard Coast Line | 2 |
SGLR
| Seminole Gulf | 21 |
SLR
| St Lawrence & Atlantic | 3 |
SMW
| St Marys Railway West LLC | 12 |
SNC
| Saratoga & North Creek Railway | 18 |
SOU
| Southern | 44 |
SP
| Southern Pacific | 27 |
SRY
| Southern Railway of British Columbia Lim | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 13 |
TBOX
| TTX Company | 45 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TOFX
| TTX Company - Box Cars | 7 |
TOYX
| TOYX | 3 |
TR
| Tomahawk Railway L.P. | 8 |
UCRY
| Utah Central | 6 |
UP
| Union Pacific Railroad Company | 8 |
WC
| Wisconsin Central | 17 |
WE
| Wheeling & Lake Erie | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |
WP
| Western Pacific | 2 |
WRWK
| Providence & Worchester Railroad | 29 |
YKR
| York Rail | 1 |