ACL
| Atlantic Coast Line | 7 |
ADN
| Ashley Drew & Northern | 1 |
AEC
| Atlantic and East Carolina Railway Compa | 1 |
AEX
| Andersons | 4 |
AGR
| Alabama and Gulf Coast | 2 |
AMTK
| Amtrak | 3 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ASAB
| Bay Line Railroad LLC | 1 |
ATW
| Atlantic and Western | 5 |
AWP
| Atlanta & West Point | 1 |
BKTY
| Union Pacific Railroad Company | 13 |
BNSF
| BNSF Railway | 3 |
CAGY
| Columbus & Greenville Railway | 1 |
CFWR
| Caney Fork and Western Railroad | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 3 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 10 |
CP
| Canadian Pacific Railway | 7 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 36 |
DWC
| Canadian National Railways | 2 |
FBOX
| TTX Company | 7 |
FEC
| Florida East Coast | 1 |
FXE
| Ferromex | 5 |
GACX
| General American Marks Company | 3 |
HTTX
| TTX Company | 1 |
IC
| Illinois Central | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 4 |
KCS
| Kansas City Southern | 1 |
LINX
| LINX | 1 |
LN
| Louisville & Nashville | 1 |
LR
| LR | 1 |
LRS
| Laurinburg and Southern | 28 |
MEC
| Maine Central | 3 |
MWCX
| Midwest Railcar Corporation | 1 |
NADX
| General Electric Rail Services | 2 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 6 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 10 |
RBOX
| Railbox Company | 4 |
RFP
| Richmond Fredericksburg & Potomac | 2 |
SAL
| Seaboard Air Line | 10 |
SBD
| Seaboard System | 7 |
SCL
| Seaboard Coast Line | 31 |
SOU
| Southern | 17 |
TBOX
| TTX Company | 85 |
TOFX
| TTX Company - Box Cars | 1 |
UCRY
| Utah Central | 2 |
UP
| Union Pacific Railroad Company | 9 |
WFRX
| WELLS FARGO RAIL CORPORATION | 1 |
WRWK
| Providence & Worchester Railroad | 1 |