DWC
| Canadian National Railways | 1 |
HS
| H and S Railroad Company | 1 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 3 |
PSMX
| Esco Corporation | 1 |
TBOX
| TTX Company | 46 |
TOBX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 3 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 1 |
WP
| Western Pacific | 2 |