CC
| Chicago Central & Pacific | 1 |
CLSX
| Cargill Incorporated Salt Division | 1 |
DSSX
| Detroit Salt Company, L.C. | 2 |
ITLX
| General Electric Rail Services | 1 |
NAHX
| General Electric Rail Services | 3 |
SIRX
| Southern Illinois Railcar Company | 2 |
SWYX
| OCI Chemical Wyoming Company | 1 |