ABOX
| TTX Company | 32 |
ADN
| Ashley Drew & Northern | 2 |
AERC
| Albany and Eastern Railroad Company | 1 |
AGR
| Alabama and Gulf Coast | 4 |
ALAB
| Alabama Railroad | 2 |
ALM
| Arkansas Louisiana and Mississippi Railr | 8 |
AM
| Arkansas & Missouri | 2 |
AMTK
| Amtrak | 2 |
ANGX
| Andersons - Railgroup | 1 |
ANR
| Angelina and Neches River Railroad | 3 |
AOK
| Arkansas-Oklahoma Railroad | 21 |
ASAB
| Bay Line Railroad LLC | 5 |
ATSF
| Atchison Topeka & Santa Fe | 41 |
ATW
| Atlantic and Western | 21 |
BAEX
| Andersons | 6 |
BAR
| Bangor & Aroostook | 6 |
BAYL
| Bay Line, LLC | 1 |
BCOL
| Canadian National Railways | 23 |
BKTY
| Union Pacific Railroad Company | 76 |
BLHX
| SMBC RAIL SERVICES LLC | 1 |
BM
| Boston & Maine | 3 |
BN
| Burlington Northern | 21 |
BNSF
| BNSF Railway | 199 |
BPRR
| Buffalo and Pittsburgh | 2 |
CAIX
| CAI Rail Inc. | 1 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 1 |
CCR
| Corinth & Counce | 2 |
CHTS
| Penn Eastern Rail Lines Incorporated | 7 |
CHTT
| Chicago Heights Terminal Transfer | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 4 |
CIC
| Cedar Rapids & Iowa City | 7 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CLC
| Columbia and Cowlitz Railway Company | 4 |
CMHX
| CarMath Incorporated | 13 |
CN
| Canadian National Railways | 47 |
CNA
| Canadian National Railways | 56 |
CNIS
| Canadian National Railways | 24 |
CNJ
| Central Rail Road of New Jersey | 1 |
CNW
| Chicago & Northwestern | 17 |
CO
| Chesapeake & Ohio | 1 |
COER
| Crab Orchard & Egyptian | 6 |
CP
| Canadian Pacific Railway | 28 |
CPAA
| Canadian Pacific Railway | 13 |
CR
| Conrail | 65 |
CRLE
| Coe Rail Incorporated | 14 |
CRYX
| Cryo-Trans Incorporated | 1 |
CSX
| CSX Railroad | 63 |
CUOH
| Columbus and Ohio River Railroad Company | 5 |
CV
| Central Vermont | 2 |
CVC
| Canadian National Railways | 5 |
DH
| Delaware & Hudson | 1 |
DJTX
| Joseph Transportation Incorporated | 1 |
DME
| Dakota, Minnesota and Eastern | 4 |
DMM
| Dansville and Mount Morris Railroad Comp | 3 |
DODX
| Department Of Defense | 8 |
DRGW
| Denver & Rio Grande Western | 2 |
DWC
| Canadian National Railways | 15 |
EEC
| East Erie Commercial Railroad | 42 |
EPRY
| East Penn Railway | 9 |
ERIE
| Erie Railroad | 2 |
EV
| Everett Railroad | 1 |
FBOX
| TTX Company | 44 |
FCCM
| Compania de Ferrocarriles Chiapas Mayab | 2 |
FCRD
| First Coast Railway | 1 |
FGLK
| Finger Lakes Railway | 2 |
FGLX
| Factor Gas Liquids Incorporated | 1 |
FLOX
| CIT Group/Capital Finance, Inc | 1 |
FP
| Fordyce & Princeton Railroad Company | 2 |
FSRR
| FerroSur | 4 |
FXE
| Ferromex | 5 |
GACX
| General American Marks Company | 3 |
GATX
| General American Marks Company | 1 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GMRC
| Green Mountain RR | 9 |
GNRR
| Georgia Northeastern | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 7 |
GTRA
| Golden Triangle Railroad | 4 |
GTW
| Grand Trunk Western | 24 |
GVSR
| Galveston Railroad L.P. | 15 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 1 |
HCSX
| Helm Chesapeake LLP | 1 |
HLMX
| Helm Financial Corporation | 2 |
HPJX
| Helm-Pacific Leasing | 10 |
HS
| H and S Railroad Company | 19 |
IATR
| Iowa Traction Railroad Company | 7 |
IBT
| International Bridge and Terminal Company | 14 |
IC
| Illinois Central | 13 |
ICG
| Illinois Central Gulf | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
KCS
| Kansas City Southern | 60 |
KELX
| Kellogg Company | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 7 |
LC
| Lancaster & Chester | 3 |
LRS
| Laurinburg and Southern | 21 |
LVRR
| Lycoming Valley | 1 |
LW
| Louisville and Wadley Railway Company | 6 |
MB
| Meridian & Bigbee | 3 |
MCSA
| Moscow Camden and San Augustine Railroad | 2 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 11 |
MEC
| Maine Central | 14 |
MET
| Modesto and Empire Traction Company | 3 |
MILW
| Milwaukee Road | 13 |
MMA
| Montreal, Maine & Atlantic | 10 |
MP
| Missouri Pacific | 43 |
MQT
| Marquette Rail | 8 |
MR
| McCloud Railway Company | 4 |
MRL
| Montana Rail Link | 12 |
MSDR
| Knoxville & Holston River Railroad | 8 |
MSE
| Mississippi Export Railroad Company | 1 |
MSRC
| Kansas City Southern | 2 |
MVRY
| Mahoning Valley Ry | 4 |
MWCX
| Midwest Railcar Corporation | 18 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 5 |
NOKL
| Northwestern Oklahoma | 30 |
NRLX
| CIT Group/Capital Finance, Inc | 4 |
NS
| Norfolk Southern | 224 |
NSHR
| North Shore | 1 |
NW
| Norfolk & Western | 12 |
NYC
| New York Central | 1 |
OAR
| Old Augusta Railroad | 2 |
OHCR
| Ohio Central | 4 |
ONT
| Ontario Northland Railway | 5 |
PBRX
| TYSON FRESH MEATS | 1 |
PRL
| Penn Eastern Rail Lines Incorporated | 23 |
PRR
| Pennsylvania Railroad | 1 |
PRSX
| Progress Rail Service | 1 |
QC
| Quebec Central | 2 |
QGRY
| Quebec Gatineau Railway Incorporated | 6 |
RBOX
| Railbox Company | 107 |
RDG
| Reading Railroad | 4 |
RMGX
| Andersons - Railgroup | 1 |
RVPR
| Riverport R.R., L.L.C. | 1 |
SBD
| Seaboard System | 3 |
SCL
| Seaboard Coast Line | 1 |
SGLR
| Seminole Gulf | 5 |
SLC
| San Luis Central Railroad Company | 9 |
SLGG
| Progress Rail Services Corporation | 7 |
SM
| St. Marys Railroad | 2 |
SMW
| St Marys Railway West LLC | 1 |
SNC
| Saratoga & North Creek Railway | 1 |
SOO
| Soo Line | 7 |
SOU
| Southern | 119 |
SP
| Southern Pacific | 52 |
SRN
| Sabine River & Northern | 10 |
SRY
| Southern Railway of British Columbia Lim | 14 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 18 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 86 |
TILX
| Trinity Industries Leasing Company | 1 |
TIMX
| Trinity Industries Leasing Company | 2 |
TOBX
| TTX Company - Box Cars | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TR
| Tomahawk Railway L.P. | 24 |
TSRD
| Twin State Railroad Company | 1 |
UP
| Union Pacific Railroad Company | 33 |
USN
| United States Navy | 11 |
VCY
| Galveston Railroad, L.P. | 1 |
VR
| Valdosta Railway | 5 |
WC
| Wisconsin Central | 57 |
WCCL
| Wisconsin Central | 8 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WFRX
| WELLS FARGO RAIL CORPORATION | 8 |
WGCR
| Wiregrass Central Railroad. Incorporated | 1 |
WLO
| Waterloo Railway Company (Illinois Central) | 7 |
WP
| Western Pacific | 5 |
WRWK
| Providence & Worchester Railroad | 2 |
WSOR
| Wisconsin & Southern | 6 |
YARR
| Youngstown and Austintown Railroad | 10 |
YB
| Youngstown Belt Railroad Company | 1 |
YKR
| York Rail | 3 |