ABOX
| TTX Company | 9 |
AGR
| Alabama and Gulf Coast | 41 |
ALM
| Arkansas Louisiana and Mississippi Railr | 8 |
AM
| Arkansas & Missouri | 1 |
AOK
| Arkansas-Oklahoma Railroad | 40 |
ATSF
| Atchison Topeka & Santa Fe | 13 |
ATW
| Atlantic and Western | 24 |
AZER
| Arizona Eastern Railway Company | 6 |
BAEX
| Andersons | 6 |
BAR
| Bangor & Aroostook | 1 |
BAYL
| Bay Line, LLC | 9 |
BCOL
| Canadian National Railways | 9 |
BKTY
| Union Pacific Railroad Company | 52 |
BM
| Boston & Maine | 22 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 69 |
BO
| Baltimore & Ohio | 1 |
BPRR
| Buffalo and Pittsburgh | 1 |
CAGY
| Columbus & Greenville Railway | 1 |
CAIX
| CAI Rail Inc. | 2 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CIC
| Cedar Rapids & Iowa City | 7 |
CIRR
| Chattahoochee Industrial Railroad | 9 |
CLC
| Columbia and Cowlitz Railway Company | 1 |
CMHX
| CarMath Incorporated | 6 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CN
| Canadian National Railways | 82 |
CNA
| Canadian National Railways | 105 |
CNIS
| Canadian National Railways | 39 |
CNW
| Chicago & Northwestern | 7 |
COER
| Crab Orchard & Egyptian | 37 |
CP
| Canadian Pacific Railway | 19 |
CPAA
| Canadian Pacific Railway | 3 |
CR
| Conrail | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CRLE
| Coe Rail Incorporated | 24 |
CSX
| CSX Railroad | 150 |
CV
| Central Vermont | 4 |
CWP
| Chicago West Pullman & Southern | 1 |
DMM
| Dansville and Mount Morris Railroad Comp | 3 |
DRGW
| Denver & Rio Grande Western | 5 |
DWC
| Canadian National Railways | 109 |
EEC
| East Erie Commercial Railroad | 65 |
ELS
| Escanaba and Lake Superior Railroad Comp | 3 |
FBOX
| TTX Company | 51 |
FCRD
| First Coast Railway | 15 |
FGLK
| Finger Lakes Railway | 7 |
FLOX
| CIT Group/Capital Finance, Inc | 6 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
FSRR
| FerroSur | 1 |
FXE
| Ferromex | 10 |
GACX
| General American Marks Company | 2 |
GMRC
| Green Mountain RR | 20 |
GN
| Great Northern | 2 |
GNRR
| Georgia Northeastern | 9 |
GNWR
| Genesee and Wyoming Railroad Company | 7 |
GTRA
| Golden Triangle Railroad | 5 |
GTW
| Grand Trunk Western | 71 |
HCRY
| Huron Central Railway | 5 |
HESR
| Huron and Eastern | 1 |
HLMX
| Helm Financial Corporation | 3 |
HS
| H and S Railroad Company | 52 |
IANR
| Iowa Northern Ry | 16 |
IARX
| InStar Leasing | 1 |
IATR
| Iowa Traction Railroad Company | 15 |
IBT
| International Bridge and Terminal Company | 78 |
IC
| Illinois Central | 14 |
ICG
| Illinois Central Gulf | 11 |
KCS
| Kansas City Southern | 32 |
KCSM
| Kansas City Southern De Mexico | 1 |
KXHR
| Knoxville & Holston River RR | 1 |
KYLE
| Kyle Railroad | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 2 |
LRS
| Laurinburg and Southern | 54 |
LRWN
| Little Rock & Western | 5 |
LVRC
| Lamoille Valley | 1 |
LW
| Louisville and Wadley Railway Company | 24 |
MB
| Meridian & Bigbee | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 23 |
MEC
| Maine Central | 13 |
MMA
| Montreal, Maine & Atlantic | 3 |
MNNR
| Minnesota Commercial | 1 |
MON
| Monon Route | 3 |
MP
| Missouri Pacific | 7 |
MQT
| Marquette Rail | 7 |
MRL
| Montana Rail Link | 2 |
MRMX
| Midwest Railcar Corporation | 1 |
MSDR
| Knoxville & Holston River Railroad | 5 |
MTNR
| Mississippi Tennessee Railroad LLC | 1 |
MWCX
| Midwest Railcar Corporation | 2 |
NADX
| General Electric Rail Services | 3 |
NERR
| Nashville and Eastern | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 4 |
NOKL
| Northwestern Oklahoma | 52 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 61 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 4 |
OAR
| Old Augusta Railroad | 7 |
ONT
| Ontario Northland Railway | 3 |
PLTX
| Potlatch Corporation | 1 |
RBOX
| Railbox Company | 83 |
RDG
| Reading Railroad | 1 |
SGLR
| Seminole Gulf | 4 |
SIRX
| Southern Illinois Railcar Company | 1 |
SLR
| St Lawrence & Atlantic | 15 |
SMW
| St Marys Railway West LLC | 5 |
SNC
| Saratoga & North Creek Railway | 17 |
SOO
| Soo Line | 1 |
SOU
| Southern | 44 |
SP
| Southern Pacific | 18 |
SRN
| Sabine River & Northern | 4 |
SRY
| Southern Railway of British Columbia Lim | 23 |
SSW
| St Louis Southwestern (Cotton Belt) | 9 |
TASD
| Terminal Alabama State Docks | 7 |
TBOX
| TTX Company | 89 |
TFM
| Kansas City Southern De Mexico | 1 |
TIMX
| Trinity Industries Leasing Company | 7 |
TOBX
| TTX Company - Box Cars | 8 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 6 |
TR
| Tomahawk Railway L.P. | 60 |
UCRY
| Utah Central | 8 |
UP
| Union Pacific Railroad Company | 14 |
VTR
| Vermont Railway | 1 |
WC
| Wisconsin Central | 85 |
WCCL
| Wisconsin Central | 2 |
WFRX
| WELLS FARGO RAIL CORPORATION | 5 |
WLO
| Waterloo Railway Company (Illinois Central) | 9 |
WP
| Western Pacific | 1 |
WRWK
| Providence & Worchester Railroad | 28 |
WSOR
| Wisconsin & Southern | 4 |
WTRM
| Warren and Trumbull Railroad Company | 1 |
YKR
| York Rail | 14 |