ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 20 |
ALM
| Arkansas Louisiana and Mississippi Railr | 2 |
ANR
| Angelina and Neches River Railroad | 3 |
AOK
| Arkansas-Oklahoma Railroad | 3 |
ATSF
| Atchison Topeka & Santa Fe | 5 |
ATW
| Atlantic and Western | 10 |
BAYL
| Bay Line, LLC | 2 |
BCOL
| Canadian National Railways | 3 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 4 |
CHV
| Chattahoochee Valley Ry | 1 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CMHX
| CarMath Incorporated | 9 |
CN
| Canadian National Railways | 5 |
CNA
| Canadian National Railways | 4 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 7 |
CPAA
| Canadian Pacific Railway | 1 |
CR
| Conrail | 8 |
CSX
| CSX Railroad | 15 |
DME
| Dakota, Minnesota and Eastern | 2 |
DWC
| Canadian National Railways | 4 |
EEC
| East Erie Commercial Railroad | 6 |
FBOX
| TTX Company | 6 |
FCR
| Fulton County Railraod | 1 |
FCRD
| First Coast Railway | 4 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 2 |
GACX
| General American Marks Company | 1 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GMRC
| Green Mountain RR | 4 |
GTRA
| Golden Triangle Railroad | 3 |
GTW
| Grand Trunk Western | 2 |
GVSR
| Galveston Railroad L.P. | 1 |
HATX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 16 |
IBT
| International Bridge and Terminal Company | 9 |
IC
| Illinois Central | 2 |
ICG
| Illinois Central Gulf | 2 |
IFRX
| Infinity Rail LLC | 1 |
KCS
| Kansas City Southern | 12 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 2 |
MB
| Meridian & Bigbee | 1 |
MC
| Mass Coastal | 2 |
MEC
| Maine Central | 1 |
MP
| Missouri Pacific | 1 |
MQT
| Marquette Rail | 3 |
MWCX
| Midwest Railcar Corporation | 4 |
NADX
| General Electric Rail Services | 6 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 3 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 22 |
NW
| Norfolk & Western | 8 |
NYC
| New York Central | 5 |
OAR
| Old Augusta Railroad | 2 |
RBOX
| Railbox Company | 6 |
RMPX
| RailCar Limited | 1 |
SB
| South Buffalo RR | 1 |
SBD
| Seaboard System | 1 |
SGLR
| Seminole Gulf | 1 |
SMW
| St Marys Railway West LLC | 2 |
SOO
| Soo Line | 1 |
SOU
| Southern | 12 |
SP
| Southern Pacific | 4 |
SRN
| Sabine River & Northern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TASD
| Terminal Alabama State Docks | 3 |
TBOX
| TTX Company | 4 |
TFM
| Kansas City Southern De Mexico | 4 |
TOBX
| TTX Company - Box Cars | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 4 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 7 |
WLCX
| WLCX | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WRWK
| Providence & Worchester Railroad | 2 |
YVRR
| Yadkin Valley | 1 |