ABOX
| TTX Company | 5 |
AGR
| Alabama and Gulf Coast | 5 |
ALAB
| Alabama Railroad | 3 |
ALM
| Arkansas Louisiana and Mississippi Railr | 8 |
AM
| Arkansas & Missouri | 3 |
AMC
| Arkansas Louisiana and Mississippi Railr | 2 |
AOK
| Arkansas-Oklahoma Railroad | 12 |
APA
| Apache Railway Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 21 |
ATW
| Atlantic and Western | 18 |
BAEX
| Andersons | 4 |
BCOL
| Canadian National Railways | 4 |
BKTY
| Union Pacific Railroad Company | 3 |
BN
| Burlington Northern | 21 |
BNSF
| BNSF Railway | 52 |
BR
| Buffalo and Pittsburgh | 6 |
CBQ
| Chicago Burlington & Quincy | 2 |
CCR
| Corinth & Counce | 8 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CHTT
| Chicago Heights Terminal Transfer | 19 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CKIX
| C.K. Industries | 1 |
CLC
| Columbia and Cowlitz Railway Company | 7 |
CMHX
| CarMath Incorporated | 1 |
CN
| Canadian National Railways | 13 |
CNA
| Canadian National Railways | 18 |
CNIS
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 15 |
CP
| Canadian Pacific Railway | 20 |
CPAA
| Canadian Pacific Railway | 5 |
CR
| Conrail | 25 |
CRLE
| Coe Rail Incorporated | 3 |
CSX
| CSX Railroad | 19 |
CUOH
| Columbus and Ohio River Railroad Company | 1 |
CV
| Central Vermont | 2 |
CVC
| Canadian National Railways | 4 |
DME
| Dakota, Minnesota and Eastern | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 3 |
DRGW
| Denver & Rio Grande Western | 4 |
DTI
| Detroit Toledo & Ironton | 1 |
DWC
| Canadian National Railways | 4 |
EEC
| East Erie Commercial Railroad | 10 |
ELS
| Escanaba and Lake Superior Railroad Comp | 2 |
FBOX
| TTX Company | 6 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 4 |
FSR
| Fort Smith Railroad Company | 1 |
FSRR
| FerroSur | 2 |
FXE
| Ferromex | 2 |
GMRC
| Green Mountain RR | 3 |
GNRR
| Georgia Northeastern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 8 |
GTW
| Grand Trunk Western | 12 |
GVSR
| Galveston Railroad L.P. | 10 |
HABX
| Habco International Incorporated | 1 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 1 |
HESR
| Huron and Eastern | 2 |
HLMX
| Helm Financial Corporation | 3 |
HPJX
| Helm-Pacific Leasing | 2 |
HS
| H and S Railroad Company | 13 |
IATR
| Iowa Traction Railroad Company | 7 |
IBT
| International Bridge and Terminal Company | 9 |
IC
| Illinois Central | 17 |
ICG
| Illinois Central Gulf | 4 |
KCS
| Kansas City Southern | 88 |
KYLE
| Kyle Railroad | 4 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LNAC
| Chattahoochee Bay Railroad, LLC | 2 |
LNW
| Louisiana & Northwestern | 1 |
LSRC
| Lake State Railway Company | 1 |
LVRC
| Lamoille Valley | 1 |
LW
| Louisville and Wadley Railway Company | 4 |
MDR
| Kansas City Southern | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 3 |
MEC
| Maine Central | 2 |
MILW
| Milwaukee Road | 2 |
MKT
| Missouri-Kansas-Texas | 1 |
MMA
| Montreal, Maine & Atlantic | 3 |
MNNR
| Minnesota Commercial | 2 |
MP
| Missouri Pacific | 67 |
MQT
| Marquette Rail | 1 |
MR
| McCloud Railway Company | 4 |
MRL
| Montana Rail Link | 5 |
MRS
| Manufacturers Railway | 9 |
MSDR
| Knoxville & Holston River Railroad | 4 |
MSRC
| Kansas City Southern | 11 |
MWCX
| Midwest Railcar Corporation | 14 |
NADX
| General Electric Rail Services | 3 |
NAR
| Northern Alberta Railways | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 3 |
NOKL
| Northwestern Oklahoma | 13 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 84 |
NSHR
| North Shore | 4 |
NW
| Norfolk & Western | 17 |
NYC
| New York Central | 6 |
PACX
| Plasser American Corporation | 1 |
QC
| Quebec Central | 1 |
RBOX
| Railbox Company | 27 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 3 |
RRLX
| Rail Logistics, LC | 1 |
SFLC
| BNSF Railway | 2 |
SGLR
| Seminole Gulf | 2 |
SIRX
| Southern Illinois Railcar Company | 2 |
SKRX
| Schuylkill Railcar L.P. | 6 |
SLC
| San Luis Central Railroad Company | 1 |
SLGG
| Progress Rail Services Corporation | 2 |
SLSF
| Saint Louis-San Francisco | 2 |
SOO
| Soo Line | 2 |
SOU
| Southern | 45 |
SP
| Southern Pacific | 26 |
SRN
| Sabine River & Northern | 17 |
SSW
| St Louis Southwestern (Cotton Belt) | 8 |
TBOX
| TTX Company | 10 |
TCWR
| Twin Cities and Western | 1 |
TKEN
| Tennken Railroad Company Incorporated | 2 |
TM
| Texas-Mexican | 1 |
TNR
| Kansas City Southern Railway Company | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 13 |
TR
| Tomahawk Railway L.P. | 4 |
UELX
| ADM Transportation Company | 1 |
UP
| Union Pacific Railroad Company | 39 |
UPP
| Union Pacific Passenger | 1 |
VCY
| Galveston Railroad, L.P. | 5 |
VR
| Valdosta Railway | 1 |
WAB
| Wabash | 1 |
WC
| Wisconsin Central | 11 |
WCCL
| Wisconsin Central | 3 |
WCOR
| Wellsboro and Corning Railroad Company | 2 |
WCTR
| WCTU Company White City Terminal Railway | 1 |
WE
| Wheeling & Lake Erie | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 6 |
WP
| Western Pacific | 9 |
YARR
| Youngstown and Austintown Railroad | 4 |
YKR
| York Rail | 3 |