AOK
| Arkansas-Oklahoma Railroad | 7 |
ATW
| Atlantic and Western | 1 |
BM
| Boston & Maine | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 1 |
CN
| Canadian National Railways | 4 |
CNA
| Canadian National Railways | 7 |
CNIS
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 1 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 16 |
DWC
| Canadian National Railways | 1 |
EEC
| East Erie Commercial Railroad | 4 |
FBOX
| TTX Company | 5 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 2 |
ICG
| Illinois Central Gulf | 1 |
LRS
| Laurinburg and Southern | 1 |
LW
| Louisville and Wadley Railway Company | 5 |
MEC
| Maine Central | 5 |
MP
| Missouri Pacific | 2 |
MQT
| Marquette Rail | 1 |
MWCX
| Midwest Railcar Corporation | 3 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 2 |
NW
| Norfolk & Western | 1 |
PGR
| Progressive Rail, Inc | 1 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 3 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TBOX
| TTX Company | 6 |
TFM
| Kansas City Southern De Mexico | 2 |
UP
| Union Pacific Railroad Company | 6 |
WC
| Wisconsin Central | 2 |
WTRM
| Warren and Trumbull Railroad Company | 1 |
YB
| Youngstown Belt Railroad Company | 1 |