AOK
| Arkansas-Oklahoma Railroad | 2 |
BNSF
| BNSF Railway | 3 |
CNW
| Chicago & Northwestern | 1 |
GBRX
| Greenbrier Leasing Corporation | 1 |
NYC
| New York Central | 2 |
SOO
| Soo Line | 3 |
SP
| Southern Pacific | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 3 |