AEPX
| American Electric Power | 1 |
BN
| Burlington Northern | 12 |
BNSF
| BNSF Railway | 2 |
CNW
| Chicago & Northwestern | 1 |
CS
| Colorado & Southern | 1 |
CTRN
| Union Pacific Railroad Company | 6 |
DME
| Dakota, Minnesota and Eastern | 3 |
GABX
| General American Marks Company | 2 |
IFRX
| Infinity Rail LLC | 10 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
SOO
| Soo Line | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 4 |