ADN
| Ashley Drew & Northern | 1 |
AGR
| Alabama and Gulf Coast | 1 |
AN
| Apalachicola Northern | 1 |
ATW
| Atlantic and Western | 1 |
CIC
| Cedar Rapids & Iowa City | 1 |
CNA
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 5 |
DME
| Dakota, Minnesota and Eastern | 2 |
DODX
| Department Of Defense | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 2 |
FSRR
| FerroSur | 1 |
FURX
| First Union Rail | 1 |
GNRR
| Georgia Northeastern | 3 |
HS
| H and S Railroad Company | 2 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MEC
| Maine Central | 1 |
MP
| Missouri Pacific | 1 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 4 |
NSHR
| North Shore | 1 |
NYC
| New York Central | 1 |
RBOX
| Railbox Company | 4 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 1 |
SRN
| Sabine River & Northern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 4 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
WC
| Wisconsin Central | 1 |