ABOX
| TTX Company | 31 |
ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 81 |
ALM
| Arkansas Louisiana and Mississippi Railr | 12 |
AM
| Arkansas & Missouri | 7 |
ANR
| Angelina and Neches River Railroad | 8 |
AOK
| Arkansas-Oklahoma Railroad | 11 |
ATSF
| Atchison Topeka & Santa Fe | 60 |
ATW
| Atlantic and Western | 26 |
AZER
| Arizona Eastern Railway Company | 11 |
BAEX
| Andersons | 29 |
BAYL
| Bay Line, LLC | 11 |
BCLR
| Bay Colony | 2 |
BCOL
| Canadian National Railways | 34 |
BISX
| Brandenburg Industrial Service Co | 1 |
BKTY
| Union Pacific Railroad Company | 119 |
BLHX
| SMBC RAIL SERVICES LLC | 8 |
BM
| Boston & Maine | 19 |
BN
| Burlington Northern | 16 |
BNSF
| BNSF Railway | 34 |
BO
| Baltimore & Ohio | 2 |
BPRR
| Buffalo and Pittsburgh | 1 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 3 |
CEFX
| CIT Group/Capital Finance, Inc | 3 |
CIC
| Cedar Rapids & Iowa City | 12 |
CIRR
| Chattahoochee Industrial Railroad | 32 |
CKIX
| C.K. Industries | 16 |
CMHX
| CarMath Incorporated | 28 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CN
| Canadian National Railways | 21 |
CNA
| Canadian National Railways | 28 |
CNIS
| Canadian National Railways | 7 |
CNW
| Chicago & Northwestern | 27 |
CO
| Chesapeake & Ohio | 9 |
COER
| Crab Orchard & Egyptian | 8 |
CP
| Canadian Pacific Railway | 11 |
CPAA
| Canadian Pacific Railway | 35 |
CR
| Conrail | 20 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 444 |
CUOH
| Columbus and Ohio River Railroad Company | 6 |
CV
| Central Vermont | 4 |
DME
| Dakota, Minnesota and Eastern | 9 |
DMM
| Dansville and Mount Morris Railroad Comp | 8 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRGW
| Denver & Rio Grande Western | 35 |
DUPX
| Du Pont De Nemours and Company Incorporated | 1 |
DWC
| Canadian National Railways | 9 |
EEC
| East Erie Commercial Railroad | 36 |
FBOX
| TTX Company | 11 |
FCRD
| First Coast Railway | 23 |
FGLK
| Finger Lakes Railway | 19 |
FRR
| Falls Road Railroad Company Incorporated | 6 |
FSR
| Fort Smith Railroad Company | 1 |
FSRR
| FerroSur | 11 |
FXE
| Ferromex | 25 |
GACX
| General American Marks Company | 2 |
GFRR
| Georgia and Florida Railnet | 5 |
GMRC
| Green Mountain RR | 32 |
GNWR
| Genesee and Wyoming Railroad Company | 14 |
GTRA
| Golden Triangle Railroad | 5 |
GTW
| Grand Trunk Western | 51 |
HLMX
| Helm Financial Corporation | 8 |
HPJX
| Helm-Pacific Leasing | 4 |
HS
| H and S Railroad Company | 66 |
IANR
| Iowa Northern Ry | 17 |
IATR
| Iowa Traction Railroad Company | 5 |
IBT
| International Bridge and Terminal Company | 5 |
IC
| Illinois Central | 8 |
ICG
| Illinois Central Gulf | 6 |
ITFX
| INFINITY TRANSPORTATION III LLC | 4 |
KCS
| Kansas City Southern | 55 |
KCSM
| Kansas City Southern De Mexico | 2 |
KXHR
| Knoxville & Holston River RR | 4 |
LBR
| Lowville and Beaver River Railroad Compa | 4 |
LRS
| Laurinburg and Southern | 112 |
LRWN
| Little Rock & Western | 4 |
LW
| Louisville and Wadley Railway Company | 2 |
MB
| Meridian & Bigbee | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 10 |
MDW
| Minnesota Dakota and Western Railway Com | 12 |
MEC
| Maine Central | 85 |
MISX
| Milwaukee Solvents and Chemicals Corporation | 1 |
MMA
| Montreal, Maine & Atlantic | 4 |
MNS
| Minneapolis Northfield & Southern | 1 |
MP
| Missouri Pacific | 51 |
MQT
| Marquette Rail | 25 |
MRL
| Montana Rail Link | 14 |
MRMX
| Midwest Railcar Corporation | 2 |
MSDR
| Knoxville & Holston River Railroad | 3 |
MWCX
| Midwest Railcar Corporation | 59 |
NADX
| General Electric Rail Services | 9 |
NDYX
| First Union Rail | 2 |
NERR
| Nashville and Eastern | 4 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 16 |
NOKL
| Northwestern Oklahoma | 25 |
NS
| Norfolk Southern | 88 |
NW
| Norfolk & Western | 23 |
NYC
| New York Central | 43 |
ONT
| Ontario Northland Railway | 2 |
PAL
| Paducah & Louisville | 5 |
PC
| Penn Central | 1 |
PDRR
| Pee Dee River RR | 10 |
PGR
| Progressive Rail, Inc | 3 |
PSMX
| Esco Corporation | 15 |
QC
| Quebec Central | 4 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RBOX
| Railbox Company | 42 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
RMMX
| Andersons - Railgroup | 1 |
RPMX
| RPMG INC | 2 |
SGLR
| Seminole Gulf | 13 |
SIRX
| Southern Illinois Railcar Company | 10 |
SKRX
| Schuylkill Railcar L.P. | 1 |
SLR
| St Lawrence & Atlantic | 4 |
SMW
| St Marys Railway West LLC | 23 |
SNC
| Saratoga & North Creek Railway | 10 |
SOO
| Soo Line | 8 |
SOU
| Southern | 264 |
SP
| Southern Pacific | 198 |
SRN
| Sabine River & Northern | 20 |
SRNJ
| Southern Railroad Company of New Jersey | 1 |
SRY
| Southern Railway of British Columbia Lim | 5 |
SSW
| St Louis Southwestern (Cotton Belt) | 85 |
TBOX
| TTX Company | 52 |
TFM
| Kansas City Southern De Mexico | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TOFX
| TTX Company - Box Cars | 9 |
TRMX
| The Railroad Museum-TRM Industries | 1 |
UELX
| ADM Transportation Company | 1 |
UP
| Union Pacific Railroad Company | 28 |
WC
| Wisconsin Central | 34 |
WCCL
| Wisconsin Central | 6 |
WCOR
| Wellsboro and Corning Railroad Company | 5 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
WIIX
| Williamette Industries Incorporated | 8 |
WLO
| Waterloo Railway Company (Illinois Central) | 12 |
WP
| Western Pacific | 15 |
WRWK
| Providence & Worchester Railroad | 30 |
WSOR
| Wisconsin & Southern | 7 |
YARR
| Youngstown and Austintown Railroad | 3 |
YKR
| York Rail | 3 |