AEX
| Andersons | 2 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 1 |
CNW
| Chicago & Northwestern | 3 |
CTRN
| Union Pacific Railroad Company | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
GABX
| General American Marks Company | 1 |
GACX
| General American Marks Company | 1 |
MP
| Missouri Pacific | 3 |
NS
| Norfolk Southern | 2 |
RBMN
| Reading Blue Mountain & Northern | 1 |
RDG
| Reading Railroad | 1 |
SOU
| Southern | 1 |
UP
| Union Pacific Railroad Company | 6 |
VALX
| Sierra Pacific Power Company/Idaho Power Company | 1 |