ABOX
| TTX Company | 9 |
AGR
| Alabama and Gulf Coast | 7 |
ALLN
| Allentown and Auburn Railroad | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
AMTK
| Amtrak | 1 |
AOK
| Arkansas-Oklahoma Railroad | 18 |
ARRX
| Anthracite Railroads Historical Society Incorporated | 1 |
ATSF
| Atchison Topeka & Santa Fe | 10 |
ATW
| Atlantic and Western | 21 |
BAEX
| Andersons | 4 |
BAR
| Bangor & Aroostook | 1 |
BCLR
| Bay Colony | 1 |
BDRV
| Belvidere & Delaware Railroad | 1 |
BKTY
| Union Pacific Railroad Company | 69 |
BM
| Boston & Maine | 2 |
BNSF
| BNSF Railway | 58 |
BO
| Baltimore & Ohio | 2 |
CAIX
| CAI Rail Inc. | 10 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 12 |
CIBX
| CIT Group/Capital Finance, Inc | 3 |
CIC
| Cedar Rapids & Iowa City | 2 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CKIX
| C.K. Industries | 1 |
CMHX
| CarMath Incorporated | 9 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CN
| Canadian National Railways | 12 |
CNA
| Canadian National Railways | 23 |
CNIS
| Canadian National Railways | 9 |
CNJ
| Central Rail Road of New Jersey | 6 |
CNW
| Chicago & Northwestern | 9 |
COER
| Crab Orchard & Egyptian | 29 |
CP
| Canadian Pacific Railway | 8 |
CPAA
| Canadian Pacific Railway | 1 |
CR
| Conrail | 9 |
CRLE
| Coe Rail Incorporated | 2 |
CRYX
| Cryo-Trans Incorporated | 10 |
CSX
| CSX Railroad | 55 |
DCLR
| Delaware Coast Line RR Co | 1 |
DH
| Delaware & Hudson | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
DRRV
| DRRV | 5 |
DWC
| Canadian National Railways | 11 |
EL
| Erie Lackawanna | 1 |
FBOX
| TTX Company | 27 |
FJG
| Fonda Johnstown & Gloversville RR | 2 |
FSRR
| FerroSur | 2 |
FVSX
| FVSX | 1 |
FXE
| Ferromex | 1 |
GACX
| General American Marks Company | 15 |
GMRC
| Green Mountain RR | 6 |
GRRY
| GRRY | 1 |
GTW
| Grand Trunk Western | 4 |
HCRY
| Huron Central Railway | 1 |
HKRX
| HKRX | 10 |
HS
| H and S Railroad Company | 16 |
IANR
| Iowa Northern Ry | 1 |
IARX
| InStar Leasing | 3 |
IATR
| Iowa Traction Railroad Company | 12 |
IBT
| International Bridge and Terminal Company | 6 |
IC
| Illinois Central | 4 |
ICG
| Illinois Central Gulf | 2 |
IFRX
| Infinity Rail LLC | 4 |
ITFX
| INFINITY TRANSPORTATION III LLC | 3 |
JRSX
| J.R. Simplot Company | 1 |
KCS
| Kansas City Southern | 25 |
KCSM
| Kansas City Southern De Mexico | 3 |
LINX
| LINX | 1 |
LRS
| Laurinburg and Southern | 44 |
LV
| Lehigh Valley | 4 |
LVRR
| Lycoming Valley | 15 |
LW
| Louisville and Wadley Railway Company | 12 |
MB
| Meridian & Bigbee | 1 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 5 |
MDW
| Minnesota Dakota and Western Railway Com | 6 |
MEC
| Maine Central | 14 |
MMA
| Montreal, Maine & Atlantic | 1 |
MMID
| Maryland Midland | 2 |
MP
| Missouri Pacific | 9 |
MSDR
| Knoxville & Holston River Railroad | 3 |
MTNR
| Mississippi Tennessee Railroad LLC | 1 |
MWCX
| Midwest Railcar Corporation | 6 |
NDYX
| First Union Rail | 6 |
NOKL
| Northwestern Oklahoma | 8 |
NRI
| Nebkota Railway Incorporated | 2 |
NS
| Norfolk Southern | 54 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 2 |
NYSW
| New York Susquehanna & Western | 1 |
PC
| Penn Central | 1 |
PRR
| Pennsylvania Railroad | 3 |
QC
| Quebec Central | 1 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RBOX
| Railbox Company | 69 |
RR
| Raritan River | 1 |
RVRX
| RVRX | 4 |
SCFX
| SCFX | 1 |
SGLR
| Seminole Gulf | 19 |
SMW
| St Marys Railway West LLC | 7 |
SNC
| Saratoga & North Creek Railway | 16 |
SOU
| Southern | 53 |
SP
| Southern Pacific | 11 |
SRNJ
| Southern Railroad Company of New Jersey | 1 |
SRY
| Southern Railway of British Columbia Lim | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TBOX
| TTX Company | 99 |
TFM
| Kansas City Southern De Mexico | 1 |
TIMX
| Trinity Industries Leasing Company | 1 |
TOBX
| TTX Company - Box Cars | 4 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 2 |
TR
| Tomahawk Railway L.P. | 7 |
UCRY
| Utah Central | 12 |
UP
| Union Pacific Railroad Company | 6 |
VC
| Virginia Central Railway | 2 |
WC
| Wisconsin Central | 27 |
WCCL
| Wisconsin Central | 1 |
WE
| Wheeling & Lake Erie | 1 |
WP
| Western Pacific | 3 |
WRWK
| Providence & Worchester Railroad | 13 |
YB
| Youngstown Belt Railroad Company | 1 |
YKR
| York Rail | 1 |