AGR
| Alabama and Gulf Coast | 2 |
ANR
| Angelina and Neches River Railroad | 1 |
AOK
| Arkansas-Oklahoma Railroad | 4 |
ATW
| Atlantic and Western | 1 |
BKTY
| Union Pacific Railroad Company | 10 |
BNSF
| BNSF Railway | 2 |
COER
| Crab Orchard & Egyptian | 3 |
CP
| Canadian Pacific Railway | 2 |
CSX
| CSX Railroad | 3 |
EEC
| East Erie Commercial Railroad | 3 |
FBOX
| TTX Company | 2 |
GRLW
| Greenville & Western Railway Company, LLC | 1 |
HS
| H and S Railroad Company | 3 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
KCS
| Kansas City Southern | 2 |
LC
| Lancaster & Chester | 20 |
LRS
| Laurinburg and Southern | 14 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 2 |
PDRR
| Pee Dee River RR | 1 |
PICK
| Pickens Railway | 3 |
RBOX
| Railbox Company | 13 |
SMW
| St Marys Railway West LLC | 1 |
SNC
| Saratoga & North Creek Railway | 7 |
SOU
| Southern | 6 |
TBOX
| TTX Company | 42 |
TOBX
| TTX Company - Box Cars | 3 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TR
| Tomahawk Railway L.P. | 3 |
UCRY
| Utah Central | 1 |
WRWK
| Providence & Worchester Railroad | 1 |