ACL
| Atlantic Coast Line | 3 |
AEX
| Andersons | 1 |
AM
| Arkansas & Missouri | 1 |
BO
| Baltimore & Ohio | 2 |
CO
| Chesapeake & Ohio | 2 |
CSX
| CSX Railroad | 11 |
DJJX
| Joseph Transportation Incorporated | 1 |
DLRX
| General Electric Rail Services | 1 |
EJE
| Elgin Joliet and Eastern | 1 |
FPBX
| International Paper Corporation | 1 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
IPWX
| Allient Energy | 2 |
JETX
| Jefferson Transportation LLC | 1 |
MRMX
| Midwest Railcar Corporation | 2 |
NS
| Norfolk Southern | 2 |
NYC
| New York Central | 7 |
PW
| Providence and Worcester | 3 |
SLGG
| Progress Rail Services Corporation | 1 |
SOU
| Southern | 1 |
UP
| Union Pacific Railroad Company | 1 |