AGR
| Alabama and Gulf Coast | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BAEX
| Andersons | 1 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 1 |
BTKY
| BTKY | 1 |
CAIX
| CAI Rail Inc. | 2 |
CAMY
| CAMP CHASE RAILWAY COMPANY, LLC | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CIC
| Cedar Rapids & Iowa City | 2 |
CN
| Canadian National Railways | 4 |
CNIS
| Canadian National Railways | 15 |
CNW
| Chicago & Northwestern | 5 |
COER
| Crab Orchard & Egyptian | 11 |
CP
| Canadian Pacific Railway | 35 |
CPAA
| Canadian Pacific Railway | 4 |
CSX
| CSX Railroad | 9 |
DME
| Dakota, Minnesota and Eastern | 2 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 6 |
FGLK
| Finger Lakes Railway | 1 |
FRR
| Falls Road Railroad Company Incorporated | 1 |
FSRR
| FerroSur | 1 |
GLSX
| Glacier State Distribution Services Incorporated | 1 |
GTW
| Grand Trunk Western | 1 |
HLMX
| Helm Financial Corporation | 1 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 3 |
IBT
| International Bridge and Terminal Company | 4 |
IC
| Illinois Central | 8 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 12 |
LW
| Louisville and Wadley Railway Company | 1 |
MEC
| Maine Central | 6 |
MILW
| Milwaukee Road | 10 |
MNTR
| MNTR | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 1 |
MWCX
| Midwest Railcar Corporation | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 8 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 2 |
NSHR
| North Shore | 7 |
PDRR
| Pee Dee River RR | 1 |
PMRX
| Progress Metal Reclamation Company | 1 |
QC
| Quebec Central | 2 |
RBOX
| Railbox Company | 2 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
SNC
| Saratoga & North Creek Railway | 1 |
SOO
| Soo Line | 3 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 1 |
SRN
| Sabine River & Northern | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 2 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 36 |
TCWR
| Twin Cities and Western | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 17 |
WCCL
| Wisconsin Central | 1 |
WCOR
| Wellsboro and Corning Railroad Company | 4 |
WP
| Western Pacific | 2 |
WRWK
| Providence & Worchester Railroad | 3 |
WSOR
| Wisconsin & Southern | 9 |
YARR
| Youngstown and Austintown Railroad | 1 |
YVRR
| Yadkin Valley | 1 |