ACFX
| General Electric Rail Services | 1 |
CNW
| Chicago & Northwestern | 6 |
GVSR
| Galveston Railroad L.P. | 2 |
MKTT
| Union Pacific Railroad Company | 1 |
NAHX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 7 |
RUSX
| First Union Rail | 1 |
SMNX
| Solvay Minerals Incorporated | 3 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 23 |
UP
| Union Pacific Railroad Company | 11 |