ABOX
| TTX Company | 1 |
AGR
| Alabama and Gulf Coast | 4 |
ATW
| Atlantic and Western | 2 |
BAEX
| Andersons | 1 |
BNSF
| BNSF Railway | 3 |
CFWR
| Caney Fork and Western Railroad | 1 |
CIRR
| Chattahoochee Industrial Railroad | 4 |
CMHX
| CarMath Incorporated | 1 |
CSX
| CSX Railroad | 13 |
EEC
| East Erie Commercial Railroad | 4 |
GFRR
| Georgia and Florida Railnet | 2 |
HS
| H and S Railroad Company | 6 |
KCS
| Kansas City Southern | 1 |
NS
| Norfolk Southern | 15 |
RBOX
| Railbox Company | 4 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 5 |
TOFX
| TTX Company - Box Cars | 1 |