AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 11 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 4 |
DRGW
| Denver & Rio Grande Western | 1 |
DWC
| Canadian National Railways | 7 |
HPJX
| Helm-Pacific Leasing | 17 |
KCS
| Kansas City Southern | 10 |
LW
| Louisville and Wadley Railway Company | 4 |
NRLX
| CIT Group/Capital Finance, Inc | 42 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 4 |
SIRX
| Southern Illinois Railcar Company | 6 |
SMW
| St Marys Railway West LLC | 1 |
TBOX
| TTX Company | 69 |
TFM
| Kansas City Southern De Mexico | 1 |