BNSF
| BNSF Railway | 2 |
CSX
| CSX Railroad | 13 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 1 |
MP
| Missouri Pacific | 1 |
NADX
| General Electric Rail Services | 4 |
SSW
| St Louis Southwestern (Cotton Belt) | 7 |
UP
| Union Pacific Railroad Company | 3 |
VCY
| Galveston Railroad, L.P. | 2 |
WP
| Western Pacific | 2 |