ATSF
| Atchison Topeka & Santa Fe | 20 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 9 |
CNW
| Chicago & Northwestern | 3 |
DRGW
| Denver & Rio Grande Western | 7 |
MP
| Missouri Pacific | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
TILX
| Trinity Industries Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 2 |