ACFX
| General Electric Rail Services | 4 |
ADMX
| ADM Transportation Company | 1 |
AGHX
| Agrium U.S. Incorporated | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ARR
| Alaska Railroad | 2 |
BN
| Burlington Northern | 9 |
BNSF
| BNSF Railway | 6 |
CC
| Chicago Central & Pacific | 1 |
CN
| Canadian National Railways | 3 |
CNW
| Chicago & Northwestern | 7 |
DTS
| Detroit & Toledo ShoreLine | 1 |
HWCX
| Halliburton Company | 1 |
MP
| Missouri Pacific | 2 |
NS
| Norfolk Southern | 1 |
RMGX
| Andersons - Railgroup | 1 |
SOO
| Soo Line | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
UNPX
| Procor Limited | 1 |
UP
| Union Pacific Railroad Company | 4 |
USLX
| General Electric Rail Services | 1 |
WC
| Wisconsin Central | 2 |
WP
| Western Pacific | 1 |