BNSF
| BNSF Railway | 2 |
BO
| Baltimore & Ohio | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CYX
| CYX | 1 |
ELTX
| BP Solvay Polyethylene North America | 2 |
GACX
| General American Marks Company | 1 |
GCCX
| General American Marks Company | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
MP
| Missouri Pacific | 4 |
NAHX
| General Electric Rail Services | 1 |
NDYX
| First Union Rail | 1 |
NS
| Norfolk Southern | 1 |
RCPE
| Rapid City Pierre & Eastern Railroad | 1 |
SDWX
| Cemex Inc | 1 |
TP
| Texas & Pacific | 1 |
UP
| Union Pacific Railroad Company | 1 |
WW
| Winchester & Western | 1 |