BNSF
| BNSF Railway | 3 |
CNW
| Chicago & Northwestern | 1 |
EAMX
| Everest Railcar Services, Inc | 1 |
GCCX
| General American Marks Company | 1 |
MCEX
| Midwest Railcar Equipment Company | 1 |
MP
| Missouri Pacific | 13 |
MWCX
| Midwest Railcar Corporation | 1 |
NAHX
| General Electric Rail Services | 2 |
RGCX
| Rio Grande Chemical LTD | 1 |
RVPR
| Riverport R.R., L.L.C. | 2 |
SP
| Southern Pacific | 2 |
UP
| Union Pacific Railroad Company | 1 |