AOK
| Arkansas-Oklahoma Railroad | 1 |
AOKX
| Greenbrier Management Services, LLC | 2 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 1 |
MOCX
| THE MOSAIC COMPANY | 2 |
NASX
| COMPASS MINERALS INTERNATIONAL INC | 4 |
RBHX
| RBHX | 7 |
RFMX
| Caldwell-Baker Company | 3 |
SOO
| Soo Line | 1 |
TCWR
| Twin Cities and Western | 5 |