BNSF
| BNSF Railway | 7 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 1 |
GRW
| Gary Railway | 1 |
MP
| Missouri Pacific | 2 |
NS
| Norfolk Southern | 5 |
NYC
| New York Central | 3 |
SOO
| Soo Line | 1 |
SOU
| Southern | 5 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 1 |