BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 8 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 2 |
FBOX
| TTX Company | 19 |
GACX
| General American Marks Company | 1 |
GTW
| Grand Trunk Western | 2 |
KCS
| Kansas City Southern | 3 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 2 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TOFX
| TTX Company - Box Cars | 3 |
TR
| Tomahawk Railway L.P. | 3 |
UCRY
| Utah Central | 1 |
UP
| Union Pacific Railroad Company | 3 |