APPX
| Appalachian Railcar Services | 5 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BNSF
| BNSF Railway | 2 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 2 |
GNAX
| Holcim (US) Inc | 1 |
MP
| Missouri Pacific | 2 |
RGCX
| Rio Grande Chemical LTD | 1 |
SP
| Southern Pacific | 2 |
WW
| Winchester & Western | 1 |