ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
BNSF
| BNSF Railway | 2 |
CNW
| Chicago & Northwestern | 1 |
CTRN
| Union Pacific Railroad Company | 1 |
GONX
| Railgon Company | 2 |
MS
| Michigan Shore Railroad Incorporated | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NS
| Norfolk Southern | 1 |
RMGX
| Andersons - Railgroup | 1 |
SPSX
| Progress Rail Services Corp | 4 |