BNSF
| BNSF Railway | 3 |
CNA
| Canadian National Railways | 2 |
FBOX
| TTX Company | 1 |
IBT
| International Bridge and Terminal Company | 1 |
MCSA
| Moscow Camden and San Augustine Railroad | 1 |
MNNR
| Minnesota Commercial | 1 |
NYC
| New York Central | 1 |
SP
| Southern Pacific | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |