ATSF
| Atchison Topeka & Santa Fe | 3 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 1 |
CNW
| Chicago & Northwestern | 2 |
CO
| Chesapeake & Ohio | 1 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CSX
| CSX Railroad | 11 |
GACX
| General American Marks Company | 5 |
GCCX
| General American Marks Company | 2 |
GNRR
| Georgia Northeastern | 1 |
HWCX
| Halliburton Company | 2 |
INTX
| Interstate Commodities Inc. | 1 |
MP
| Missouri Pacific | 19 |
NW
| Norfolk & Western | 6 |
OMCX
| OMCX | 1 |
SP
| Southern Pacific | 4 |