ACFX
| General Electric Rail Services | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 1 |
DMIX
| ADM Transportation Company | 2 |
ENGX
| Englehard Corporation | 1 |
GATX
| General American Marks Company | 3 |
NATX
| General Electric Rail Services | 1 |
SHPX
| American Railcar Leasing, LLC | 1 |