ABOX
| TTX Company | 1 |
ACY
| Akron, Canton & Youngstown | 1 |
ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 1 |
ALAB
| Alabama Railroad | 1 |
AM
| Arkansas & Missouri | 1 |
ANR
| Angelina and Neches River Railroad | 2 |
AOK
| Arkansas-Oklahoma Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 1 |
BAR
| Bangor & Aroostook | 1 |
BKTY
| Union Pacific Railroad Company | 5 |
BM
| Boston & Maine | 1 |
BNSF
| BNSF Railway | 6 |
BO
| Baltimore & Ohio | 1 |
CAGY
| Columbus & Greenville Railway | 1 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 4 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CMHX
| CarMath Incorporated | 1 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 9 |
CNIS
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 1 |
CNW
| Chicago & Northwestern | 2 |
CO
| Chesapeake & Ohio | 5 |
COER
| Crab Orchard & Egyptian | 5 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 4 |
CRYX
| Cryo-Trans Incorporated | 3 |
CSX
| CSX Railroad | 61 |
CUOH
| Columbus and Ohio River Railroad Company | 11 |
CV
| Central Vermont | 1 |
DH
| Delaware & Hudson | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DODX
| Department Of Defense | 2 |
DRGW
| Denver & Rio Grande Western | 2 |
DWC
| Canadian National Railways | 2 |
EEC
| East Erie Commercial Railroad | 12 |
EL
| Erie Lackawanna | 8 |
ERES
| Erie Western | 2 |
ERIE
| Erie Railroad | 2 |
FBOX
| TTX Company | 7 |
FCRD
| First Coast Railway | 1 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
FSRR
| FerroSur | 2 |
FXE
| Ferromex | 4 |
GATX
| General American Marks Company | 2 |
GNRR
| Georgia Northeastern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 14 |
GTRA
| Golden Triangle Railroad | 2 |
GTW
| Grand Trunk Western | 15 |
HS
| H and S Railroad Company | 7 |
IANR
| Iowa Northern Ry | 1 |
IC
| Illinois Central | 4 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 7 |
KYLE
| Kyle Railroad | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LRS
| Laurinburg and Southern | 13 |
LW
| Louisville and Wadley Railway Company | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 4 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MEC
| Maine Central | 3 |
MMA
| Montreal, Maine & Atlantic | 2 |
MP
| Missouri Pacific | 6 |
MPLX
| General Electric Railcar Services Corp. | 4 |
MQT
| Marquette Rail | 3 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
MVRY
| Mahoning Valley Ry | 2 |
MWCX
| Midwest Railcar Corporation | 13 |
NADX
| General Electric Rail Services | 3 |
NERR
| Nashville and Eastern | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 3 |
NOKL
| Northwestern Oklahoma | 3 |
NS
| Norfolk Southern | 16 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 12 |
OC
| OC | 1 |
OHPA
| Ohio and Pennsylvania Railroad Company | 1 |
PC
| Penn Central | 1 |
PDRR
| Pee Dee River RR | 2 |
PGR
| Progressive Rail, Inc | 1 |
PMRX
| Progress Metal Reclamation Company | 7 |
PRR
| Pennsylvania Railroad | 3 |
PSMX
| Esco Corporation | 1 |
QC
| Quebec Central | 4 |
RBOX
| Railbox Company | 3 |
SCFX
| SCFX | 1 |
SCL
| Seaboard Coast Line | 1 |
SGLR
| Seminole Gulf | 4 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 1 |
SOU
| Southern | 21 |
SP
| Southern Pacific | 6 |
SRN
| Sabine River & Northern | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TBOX
| TTX Company | 73 |
TILX
| Trinity Industries Leasing Company | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 2 |
UP
| Union Pacific Railroad Company | 7 |
WC
| Wisconsin Central | 8 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WE
| Wheeling & Lake Erie | 120 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
WP
| Western Pacific | 3 |
WRWK
| Providence & Worchester Railroad | 7 |
WSOR
| Wisconsin & Southern | 3 |
YARR
| Youngstown and Austintown Railroad | 1 |
YKR
| York Rail | 6 |
YVRR
| Yadkin Valley | 1 |