ABOX
| TTX Company | 7 |
ALM
| Arkansas Louisiana and Mississippi Railr | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BAEX
| Andersons | 4 |
BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 2 |
BR
| Buffalo and Pittsburgh | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 2 |
CNIS
| Canadian National Railways | 1 |
CPAA
| Canadian Pacific Railway | 1 |
CR
| Conrail | 4 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 3 |
CVC
| Canadian National Railways | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 4 |
FP
| Fordyce & Princeton Railroad Company | 2 |
FXE
| Ferromex | 1 |
HPJX
| Helm-Pacific Leasing | 6 |
ICG
| Illinois Central Gulf | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
MP
| Missouri Pacific | 1 |
MR
| McCloud Railway Company | 2 |
MRL
| Montana Rail Link | 1 |
MWCX
| Midwest Railcar Corporation | 3 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 3 |
RBOX
| Railbox Company | 27 |
SIRX
| Southern Illinois Railcar Company | 9 |
SOO
| Soo Line | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 24 |
SRN
| Sabine River & Northern | 5 |
SSW
| St Louis Southwestern (Cotton Belt) | 11 |
TOE
| Texas Oklahoma and Eastern RR Company | 4 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 3 |