AEX
| Andersons | 3 |
BKTY
| Union Pacific Railroad Company | 3 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 1 |
MKT
| Missouri-Kansas-Texas | 12 |
MKTT
| Union Pacific Railroad Company | 2 |
MP
| Missouri Pacific | 5 |
NAHX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NW
| Norfolk & Western | 2 |
OKKT
| Union Pacific Railroad Company | 1 |
PTLX
| General Electric Rail Services | 1 |
RUSX
| First Union Rail | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SP
| Southern Pacific | 1 |
UP
| Union Pacific Railroad Company | 1 |