ATSF
| Atchison Topeka & Santa Fe | 4 |
BN
| Burlington Northern | 5 |
BNSF
| BNSF Railway | 13 |
CASX
| CASX | 3 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 2 |
CP
| Canadian Pacific Railway | 4 |
CWEX
| Midwest Generation LLC | 3 |
DJLX
| CIT Group/Capital Finance, Inc | 1 |
ENVX
| EnergySolutions LLC | 1 |
GACX
| General American Marks Company | 1 |
GN
| Great Northern | 1 |
GNTX
| TTX Company | 2 |
GSSX
| Gopher State Scrap and Metal | 1 |
IMRL
| I&M Rail Link | 1 |
MP
| Missouri Pacific | 1 |
MWGX
| Midwest Generation LLC | 1 |
NOKL
| Northwestern Oklahoma | 1 |
SLSF
| Saint Louis-San Francisco | 1 |
SOO
| Soo Line | 2 |
SP
| Southern Pacific | 1 |
SPSX
| Progress Rail Services Corp | 1 |
TIMX
| Trinity Industries Leasing Company | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 2 |