AGR
| Alabama and Gulf Coast | 27 |
ALAB
| Alabama Railroad | 1 |
AN
| Apalachicola Northern | 2 |
AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 2 |
COER
| Crab Orchard & Egyptian | 1 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 7 |
EEC
| East Erie Commercial Railroad | 5 |
FBOX
| TTX Company | 10 |
FSRR
| FerroSur | 4 |
GMRC
| Green Mountain RR | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
GTRA
| Golden Triangle Railroad | 1 |
GTW
| Grand Trunk Western | 1 |
GVSR
| Galveston Railroad L.P. | 2 |
HS
| H and S Railroad Company | 2 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 3 |
LRS
| Laurinburg and Southern | 2 |
MB
| Meridian & Bigbee | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 27 |
RBOX
| Railbox Company | 1 |
SOU
| Southern | 18 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TASD
| Terminal Alabama State Docks | 7 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |