AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 1 |
BKTY
| Union Pacific Railroad Company | 15 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 1 |
CPAA
| Canadian Pacific Railway | 1 |
EEC
| East Erie Commercial Railroad | 2 |
GTW
| Grand Trunk Western | 1 |
HPJX
| Helm-Pacific Leasing | 6 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 1 |
IBT
| International Bridge and Terminal Company | 1 |
KCS
| Kansas City Southern | 7 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 1 |
MWCX
| Midwest Railcar Corporation | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 2 |
NS
| Norfolk Southern | 78 |
RBOX
| Railbox Company | 36 |
SIRX
| Southern Illinois Railcar Company | 8 |
SMW
| St Marys Railway West LLC | 1 |
SOU
| Southern | 43 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TBOX
| TTX Company | 6 |
UP
| Union Pacific Railroad Company | 1 |