BNSF
| BNSF Railway | 1 |
FCTX
| Farmers Commodities Transportation | 1 |
IC
| Illinois Central | 1 |
NAHX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
SRCX
| Sid Richardson Carbon Company | 1 |
UTCX
| Union Tank Car Company | 1 |