AEX
| Andersons | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 5 |
ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 8 |
BNSF
| BNSF Railway | 9 |
CN
| Canadian National Railways | 1 |
CS
| Colorado & Southern | 2 |
GNTX
| TTX Company | 2 |
HLMX
| Helm Financial Corporation | 2 |
IC
| Illinois Central | 1 |
MGPX
| MAG PELLET LLC | 1 |
MP
| Missouri Pacific | 6 |
MRL
| Montana Rail Link | 12 |
NTKX
| VAE Nortrak North America Incorporated | 1 |
NW
| Norfolk & Western | 1 |
SOO
| Soo Line | 1 |
SSTX
| Schnitzer Steel | 2 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 3 |